From a9295099849e9543226936a3972d90eb30a04854 Mon Sep 17 00:00:00 2001 From: walterlv Date: Sat, 27 Apr 2024 14:34:47 +0800 Subject: [PATCH] =?UTF-8?q?=E7=A7=BB=E9=99=A4=20ValueTuple=EF=BC=8C?= =?UTF-8?q?=E5=90=A6=E5=88=99=E5=A4=9A=E4=B8=AA=E4=BD=BF=E7=94=A8=E4=BA=86?= =?UTF-8?q?=E6=AD=A4=E5=8C=85=E7=9A=84=E5=BA=93=E5=B0=86=E5=87=BA=E7=8E=B0?= =?UTF-8?q?=E5=86=B2=E7=AA=81=E7=9A=84=E5=85=83=E7=BB=84=E7=B1=BB=E5=9E=8B?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../ValueTuple/TupleElementNamesAttribute.cs | 66 - .../ValueTuple/ValueTuple.cs | 2365 ----------------- 2 files changed, 2431 deletions(-) delete mode 100644 src/dotnetCampus.LatestCSharpFeatures/ValueTuple/TupleElementNamesAttribute.cs delete mode 100644 src/dotnetCampus.LatestCSharpFeatures/ValueTuple/ValueTuple.cs diff --git a/src/dotnetCampus.LatestCSharpFeatures/ValueTuple/TupleElementNamesAttribute.cs b/src/dotnetCampus.LatestCSharpFeatures/ValueTuple/TupleElementNamesAttribute.cs deleted file mode 100644 index 2a56706..0000000 --- a/src/dotnetCampus.LatestCSharpFeatures/ValueTuple/TupleElementNamesAttribute.cs +++ /dev/null @@ -1,66 +0,0 @@ -#if NETSTANDARD2_0_OR_GREATER || NETCOREAPP3_0 || NETCOREAPP3_1 || NET5_0_OR_GREATER -#else -// Licensed to the .NET Foundation under one or more agreements. -// The .NET Foundation licenses this file to you under the MIT license. -// See the LICENSE file in the project root for more information. - -namespace System.Runtime.CompilerServices -{ - using System.Collections.Generic; - - /// - /// Indicates that the use of on a member is meant to be treated as a tuple with element names. - /// - [AttributeUsage(AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.Property | AttributeTargets.ReturnValue | AttributeTargets.Class | AttributeTargets.Struct )] - public sealed class TupleElementNamesAttribute : Attribute - { - private readonly string[] _transformNames; - - /// - /// Initializes a new instance of the class. - /// - /// - /// Specifies, in a prefix traversal of a type's - /// construction, which occurrences are meant to - /// carry element names. - /// - /// - /// This constructor is meant to be used on types that are built on an underlying - /// occurrence of that is meant to carry element names. - /// For instance, if C is a generic type with two type parameters, then a - /// use of the constructed type C{, - /// might be intended to treat the first type argument as a tuple with element names - /// and the second as a tuple without element names. In which case, the appropriate attribute - /// specification should use transformNames value of { "name1", "name2", null }. - /// - public TupleElementNamesAttribute(string[] transformNames) - { - if (transformNames == null) - { - throw new ArgumentNullException(nameof(transformNames)); - } - - _transformNames = transformNames; - } - - /// - /// Initializes a new instance of the class. - /// - /// - /// When is created with this constructor, - /// it can be omitted instead. - /// - public TupleElementNamesAttribute() - { - _transformNames = new string[] { }; - } - - /// - /// Specifies, in a prefix traversal of a type's - /// construction, which occurrences are meant to - /// carry element names. - /// - public IList TransformNames => _transformNames; - } -} -#endif diff --git a/src/dotnetCampus.LatestCSharpFeatures/ValueTuple/ValueTuple.cs b/src/dotnetCampus.LatestCSharpFeatures/ValueTuple/ValueTuple.cs deleted file mode 100644 index 5840c25..0000000 --- a/src/dotnetCampus.LatestCSharpFeatures/ValueTuple/ValueTuple.cs +++ /dev/null @@ -1,2365 +0,0 @@ -#pragma warning disable CS8600 -#pragma warning disable CS8603 - -#if NETCOREAPP3_0 || NETCOREAPP3_1 || NET5_0_OR_GREATER || NETSTANDARD2_0_OR_GREATER || NET47 || NET471 || NET472 || NET48 || NET481 -#else -// Licensed to the .NET Foundation under one or more agreements. -// The .NET Foundation licenses this file to you under the MIT license. -// See the LICENSE file in the project root for more information. - -namespace System.Numerics.Hashing -{ - internal static class HashHelpers - { - public static readonly int RandomSeed = new Random().Next(Int32.MinValue, Int32.MaxValue); - - public static int Combine(int h1, int h2) - { - // RyuJIT optimizes this to use the ROL instruction - // Related GitHub pull request: dotnet/coreclr#1830 - uint rol5 = ((uint)h1 << 5) | ((uint)h1 >> 27); - return ((int)rol5 + h1) ^ h2; - } - } -} - -namespace System.Runtime.CompilerServices -{ - /// - /// This interface is required for types that want to be indexed into by dynamic patterns. - /// - public interface ITuple - { - /// - /// The number of positions in this data structure. - /// - int Length { get; } - - /// - /// Get the element at position . - /// - object this[int index] { get; } - } -} - -namespace System -{ - using System.Collections; - using System.Collections.Generic; - using System.Diagnostics.Contracts; - using System.Runtime.InteropServices; - using System.Runtime.CompilerServices; - using HashHelpers = System.Numerics.Hashing.HashHelpers; - - /// - /// Helper so we can call some tuple methods recursively without knowing the underlying types. - /// - internal interface IValueTupleInternal : ITuple - { - int GetHashCode(IEqualityComparer comparer); - string ToStringEnd(); - } - - /// - /// The ValueTuple types (from arity 0 to 8) comprise the runtime implementation that underlies tuples in C# and struct tuples in F#. - /// Aside from created via language syntax, they are most easily created via the ValueTuple.Create factory methods. - /// The System.ValueTuple types differ from the System.Tuple types in that: - /// - they are structs rather than classes, - /// - they are mutable rather than readonly, and - /// - their members (such as Item1, Item2, etc) are fields rather than properties. - /// - [Serializable] - public struct ValueTuple - : IEquatable, IStructuralEquatable, IStructuralComparable, IComparable, IComparable, IValueTupleInternal, ITuple - { - /// - /// Returns a value that indicates whether the current instance is equal to a specified object. - /// - /// The object to compare with this instance. - /// if is a . - public override bool Equals(object obj) - { - return obj is ValueTuple; - } - - /// Returns a value indicating whether this instance is equal to a specified value. - /// An instance to compare to this instance. - /// true if has the same value as this instance; otherwise, false. - public bool Equals(ValueTuple other) - { - return true; - } - - bool IStructuralEquatable.Equals(object other, IEqualityComparer comparer) - { - return other is ValueTuple; - } - - int IComparable.CompareTo(object other) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - return 0; - } - - /// Compares this instance to a specified instance and returns an indication of their relative values. - /// An instance to compare. - /// - /// A signed number indicating the relative values of this instance and . - /// Returns less than zero if this instance is less than , zero if this - /// instance is equal to , and greater than zero if this instance is greater - /// than . - /// - public int CompareTo(ValueTuple other) - { - return 0; - } - - int IStructuralComparable.CompareTo(object other, IComparer comparer) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - return 0; - } - - /// Returns the hash code for this instance. - /// A 32-bit signed integer hash code. - public override int GetHashCode() - { - return 0; - } - - int IStructuralEquatable.GetHashCode(IEqualityComparer comparer) - { - return 0; - } - - int IValueTupleInternal.GetHashCode(IEqualityComparer comparer) - { - return 0; - } - - /// - /// Returns a string that represents the value of this instance. - /// - /// The string representation of this instance. - /// - /// The string returned by this method takes the form (). - /// - public override string ToString() - { - return "()"; - } - - string IValueTupleInternal.ToStringEnd() - { - return ")"; - } - - /// - /// The number of positions in this data structure. - /// - int ITuple.Length => 0; - - /// - /// Get the element at position . - /// - object ITuple.this[int index] - { - get - { - throw new IndexOutOfRangeException(); - } - } - - /// Creates a new struct 0-tuple. - /// A 0-tuple. - public static ValueTuple Create() => - new ValueTuple(); - - /// Creates a new struct 1-tuple, or singleton. - /// The type of the first component of the tuple. - /// The value of the first component of the tuple. - /// A 1-tuple (singleton) whose value is (item1). - public static ValueTuple Create(T1 item1) => - new ValueTuple(item1); - - /// Creates a new struct 2-tuple, or pair. - /// The type of the first component of the tuple. - /// The type of the second component of the tuple. - /// The value of the first component of the tuple. - /// The value of the second component of the tuple. - /// A 2-tuple (pair) whose value is (item1, item2). - public static ValueTuple Create(T1 item1, T2 item2) => - new ValueTuple(item1, item2); - - /// Creates a new struct 3-tuple, or triple. - /// The type of the first component of the tuple. - /// The type of the second component of the tuple. - /// The type of the third component of the tuple. - /// The value of the first component of the tuple. - /// The value of the second component of the tuple. - /// The value of the third component of the tuple. - /// A 3-tuple (triple) whose value is (item1, item2, item3). - public static ValueTuple Create(T1 item1, T2 item2, T3 item3) => - new ValueTuple(item1, item2, item3); - - /// Creates a new struct 4-tuple, or quadruple. - /// The type of the first component of the tuple. - /// The type of the second component of the tuple. - /// The type of the third component of the tuple. - /// The type of the fourth component of the tuple. - /// The value of the first component of the tuple. - /// The value of the second component of the tuple. - /// The value of the third component of the tuple. - /// The value of the fourth component of the tuple. - /// A 4-tuple (quadruple) whose value is (item1, item2, item3, item4). - public static ValueTuple Create(T1 item1, T2 item2, T3 item3, T4 item4) => - new ValueTuple(item1, item2, item3, item4); - - /// Creates a new struct 5-tuple, or quintuple. - /// The type of the first component of the tuple. - /// The type of the second component of the tuple. - /// The type of the third component of the tuple. - /// The type of the fourth component of the tuple. - /// The type of the fifth component of the tuple. - /// The value of the first component of the tuple. - /// The value of the second component of the tuple. - /// The value of the third component of the tuple. - /// The value of the fourth component of the tuple. - /// The value of the fifth component of the tuple. - /// A 5-tuple (quintuple) whose value is (item1, item2, item3, item4, item5). - public static ValueTuple Create(T1 item1, T2 item2, T3 item3, T4 item4, T5 item5) => - new ValueTuple(item1, item2, item3, item4, item5); - - /// Creates a new struct 6-tuple, or sextuple. - /// The type of the first component of the tuple. - /// The type of the second component of the tuple. - /// The type of the third component of the tuple. - /// The type of the fourth component of the tuple. - /// The type of the fifth component of the tuple. - /// The type of the sixth component of the tuple. - /// The value of the first component of the tuple. - /// The value of the second component of the tuple. - /// The value of the third component of the tuple. - /// The value of the fourth component of the tuple. - /// The value of the fifth component of the tuple. - /// The value of the sixth component of the tuple. - /// A 6-tuple (sextuple) whose value is (item1, item2, item3, item4, item5, item6). - public static ValueTuple Create(T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6) => - new ValueTuple(item1, item2, item3, item4, item5, item6); - - /// Creates a new struct 7-tuple, or septuple. - /// The type of the first component of the tuple. - /// The type of the second component of the tuple. - /// The type of the third component of the tuple. - /// The type of the fourth component of the tuple. - /// The type of the fifth component of the tuple. - /// The type of the sixth component of the tuple. - /// The type of the seventh component of the tuple. - /// The value of the first component of the tuple. - /// The value of the second component of the tuple. - /// The value of the third component of the tuple. - /// The value of the fourth component of the tuple. - /// The value of the fifth component of the tuple. - /// The value of the sixth component of the tuple. - /// The value of the seventh component of the tuple. - /// A 7-tuple (septuple) whose value is (item1, item2, item3, item4, item5, item6, item7). - public static ValueTuple Create(T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6, T7 item7) => - new ValueTuple(item1, item2, item3, item4, item5, item6, item7); - - /// Creates a new struct 8-tuple, or octuple. - /// The type of the first component of the tuple. - /// The type of the second component of the tuple. - /// The type of the third component of the tuple. - /// The type of the fourth component of the tuple. - /// The type of the fifth component of the tuple. - /// The type of the sixth component of the tuple. - /// The type of the seventh component of the tuple. - /// The type of the eighth component of the tuple. - /// The value of the first component of the tuple. - /// The value of the second component of the tuple. - /// The value of the third component of the tuple. - /// The value of the fourth component of the tuple. - /// The value of the fifth component of the tuple. - /// The value of the sixth component of the tuple. - /// The value of the seventh component of the tuple. - /// The value of the eighth component of the tuple. - /// An 8-tuple (octuple) whose value is (item1, item2, item3, item4, item5, item6, item7, item8). - public static ValueTuple> Create(T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6, T7 item7, T8 item8) => - new ValueTuple>(item1, item2, item3, item4, item5, item6, item7, ValueTuple.Create(item8)); - - internal static int CombineHashCodes(int h1, int h2) - { - return HashHelpers.Combine(HashHelpers.Combine(HashHelpers.RandomSeed, h1), h2); - } - - internal static int CombineHashCodes(int h1, int h2, int h3) - { - return HashHelpers.Combine(CombineHashCodes(h1, h2), h3); - } - - internal static int CombineHashCodes(int h1, int h2, int h3, int h4) - { - return HashHelpers.Combine(CombineHashCodes(h1, h2, h3), h4); - } - - internal static int CombineHashCodes(int h1, int h2, int h3, int h4, int h5) - { - return HashHelpers.Combine(CombineHashCodes(h1, h2, h3, h4), h5); - } - - internal static int CombineHashCodes(int h1, int h2, int h3, int h4, int h5, int h6) - { - return HashHelpers.Combine(CombineHashCodes(h1, h2, h3, h4, h5), h6); - } - - internal static int CombineHashCodes(int h1, int h2, int h3, int h4, int h5, int h6, int h7) - { - return HashHelpers.Combine(CombineHashCodes(h1, h2, h3, h4, h5, h6), h7); - } - - internal static int CombineHashCodes(int h1, int h2, int h3, int h4, int h5, int h6, int h7, int h8) - { - return HashHelpers.Combine(CombineHashCodes(h1, h2, h3, h4, h5, h6, h7), h8); - } - } - - /// Represents a 1-tuple, or singleton, as a value type. - /// The type of the tuple's only component. - [Serializable] - public struct ValueTuple - : IEquatable>, IStructuralEquatable, IStructuralComparable, IComparable, IComparable>, IValueTupleInternal, ITuple - { - /// - /// The current instance's first component. - /// - public T1 Item1; - - /// - /// Initializes a new instance of the value type. - /// - /// The value of the tuple's first component. - public ValueTuple(T1 item1) - { - Item1 = item1; - } - - /// - /// Returns a value that indicates whether the current instance is equal to a specified object. - /// - /// The object to compare with this instance. - /// if the current instance is equal to the specified object; otherwise, . - /// - /// The parameter is considered to be equal to the current instance under the following conditions: - /// - /// It is a value type. - /// Its components are of the same types as those of the current instance. - /// Its components are equal to those of the current instance. Equality is determined by the default object equality comparer for each component. - /// - /// - public override bool Equals(object obj) - { - return obj is ValueTuple && Equals((ValueTuple)obj); - } - - /// - /// Returns a value that indicates whether the current - /// instance is equal to a specified . - /// - /// The tuple to compare with this instance. - /// if the current instance is equal to the specified tuple; otherwise, . - /// - /// The parameter is considered to be equal to the current instance if each of its field - /// is equal to that of the current instance, using the default comparer for that field's type. - /// - public bool Equals(ValueTuple other) - { - return EqualityComparer.Default.Equals(Item1, other.Item1); - } - - bool IStructuralEquatable.Equals(object other, IEqualityComparer comparer) - { - if (other == null || !(other is ValueTuple)) return false; - - var objTuple = (ValueTuple)other; - - return comparer.Equals(Item1, objTuple.Item1); - } - - int IComparable.CompareTo(object other) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - var objTuple = (ValueTuple)other; - - return Comparer.Default.Compare(Item1, objTuple.Item1); - } - - /// Compares this instance to a specified instance and returns an indication of their relative values. - /// An instance to compare. - /// - /// A signed number indicating the relative values of this instance and . - /// Returns less than zero if this instance is less than , zero if this - /// instance is equal to , and greater than zero if this instance is greater - /// than . - /// - public int CompareTo(ValueTuple other) - { - return Comparer.Default.Compare(Item1, other.Item1); - } - - int IStructuralComparable.CompareTo(object other, IComparer comparer) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - var objTuple = (ValueTuple)other; - - return comparer.Compare(Item1, objTuple.Item1); - } - - /// - /// Returns the hash code for the current instance. - /// - /// A 32-bit signed integer hash code. - public override int GetHashCode() - { - return Item1?.GetHashCode() ?? 0; - } - - int IStructuralEquatable.GetHashCode(IEqualityComparer comparer) - { - return comparer.GetHashCode(Item1); - } - - int IValueTupleInternal.GetHashCode(IEqualityComparer comparer) - { - return comparer.GetHashCode(Item1); - } - - /// - /// Returns a string that represents the value of this instance. - /// - /// The string representation of this instance. - /// - /// The string returned by this method takes the form (Item1), - /// where Item1 represents the value of . If the field is , - /// it is represented as . - /// - public override string ToString() - { - return "(" + Item1?.ToString() + ")"; - } - - string IValueTupleInternal.ToStringEnd() - { - return Item1?.ToString() + ")"; - } - - /// - /// The number of positions in this data structure. - /// - int ITuple.Length => 1; - - /// - /// Get the element at position . - /// - object ITuple.this[int index] - { - get - { - if (index != 0) - { - throw new IndexOutOfRangeException(); - } - return Item1; - } - } - } - - /// - /// Represents a 2-tuple, or pair, as a value type. - /// - /// The type of the tuple's first component. - /// The type of the tuple's second component. - [Serializable] - [StructLayout(LayoutKind.Auto)] - public struct ValueTuple - : IEquatable>, IStructuralEquatable, IStructuralComparable, IComparable, IComparable>, IValueTupleInternal, ITuple - { - /// - /// The current instance's first component. - /// - public T1 Item1; - - /// - /// The current instance's first component. - /// - public T2 Item2; - - /// - /// Initializes a new instance of the value type. - /// - /// The value of the tuple's first component. - /// The value of the tuple's second component. - public ValueTuple(T1 item1, T2 item2) - { - Item1 = item1; - Item2 = item2; - } - - /// - /// Returns a value that indicates whether the current instance is equal to a specified object. - /// - /// The object to compare with this instance. - /// if the current instance is equal to the specified object; otherwise, . - /// - /// - /// The parameter is considered to be equal to the current instance under the following conditions: - /// - /// It is a value type. - /// Its components are of the same types as those of the current instance. - /// Its components are equal to those of the current instance. Equality is determined by the default object equality comparer for each component. - /// - /// - public override bool Equals(object obj) - { - return obj is ValueTuple && Equals((ValueTuple)obj); - } - - /// - /// Returns a value that indicates whether the current instance is equal to a specified . - /// - /// The tuple to compare with this instance. - /// if the current instance is equal to the specified tuple; otherwise, . - /// - /// The parameter is considered to be equal to the current instance if each of its fields - /// are equal to that of the current instance, using the default comparer for that field's type. - /// - public bool Equals(ValueTuple other) - { - return EqualityComparer.Default.Equals(Item1, other.Item1) - && EqualityComparer.Default.Equals(Item2, other.Item2); - } - - /// - /// Returns a value that indicates whether the current instance is equal to a specified object based on a specified comparison method. - /// - /// The object to compare with this instance. - /// An object that defines the method to use to evaluate whether the two objects are equal. - /// if the current instance is equal to the specified object; otherwise, . - /// - /// - /// This member is an explicit interface member implementation. It can be used only when the - /// instance is cast to an interface. - /// - /// The implementation is called only if other is not , - /// and if it can be successfully cast (in C#) or converted (in Visual Basic) to a - /// whose components are of the same types as those of the current instance. The IStructuralEquatable.Equals(Object, IEqualityComparer) method - /// first passes the values of the objects to be compared to the - /// implementation. If this method call returns , the method is - /// called again and passed the values of the two instances. - /// - bool IStructuralEquatable.Equals(object other, IEqualityComparer comparer) - { - if (other == null || !(other is ValueTuple)) return false; - - var objTuple = (ValueTuple)other; - - return comparer.Equals(Item1, objTuple.Item1) - && comparer.Equals(Item2, objTuple.Item2); - } - - int IComparable.CompareTo(object other) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - return CompareTo((ValueTuple)other); - } - - /// Compares this instance to a specified instance and returns an indication of their relative values. - /// An instance to compare. - /// - /// A signed number indicating the relative values of this instance and . - /// Returns less than zero if this instance is less than , zero if this - /// instance is equal to , and greater than zero if this instance is greater - /// than . - /// - public int CompareTo(ValueTuple other) - { - int c = Comparer.Default.Compare(Item1, other.Item1); - if (c != 0) return c; - - return Comparer.Default.Compare(Item2, other.Item2); - } - - int IStructuralComparable.CompareTo(object other, IComparer comparer) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - var objTuple = (ValueTuple)other; - - int c = comparer.Compare(Item1, objTuple.Item1); - if (c != 0) return c; - - return comparer.Compare(Item2, objTuple.Item2); - } - - /// - /// Returns the hash code for the current instance. - /// - /// A 32-bit signed integer hash code. - public override int GetHashCode() - { - return ValueTuple.CombineHashCodes(Item1?.GetHashCode() ?? 0, - Item2?.GetHashCode() ?? 0); - } - - int IStructuralEquatable.GetHashCode(IEqualityComparer comparer) - { - return GetHashCodeCore(comparer); - } - - private int GetHashCodeCore(IEqualityComparer comparer) - { - return ValueTuple.CombineHashCodes(comparer.GetHashCode(Item1), - comparer.GetHashCode(Item2)); - } - - int IValueTupleInternal.GetHashCode(IEqualityComparer comparer) - { - return GetHashCodeCore(comparer); - } - - /// - /// Returns a string that represents the value of this instance. - /// - /// The string representation of this instance. - /// - /// The string returned by this method takes the form (Item1, Item2), - /// where Item1 and Item2 represent the values of the - /// and fields. If either field value is , - /// it is represented as . - /// - public override string ToString() - { - return "(" + Item1?.ToString() + ", " + Item2?.ToString() + ")"; - } - - string IValueTupleInternal.ToStringEnd() - { - return Item1?.ToString() + ", " + Item2?.ToString() + ")"; - } - - /// - /// The number of positions in this data structure. - /// - int ITuple.Length => 2; - - /// - /// Get the element at position . - /// - object ITuple.this[int index] - { - get - { - switch (index) - { - case 0: - return Item1; - case 1: - return Item2; - default: - throw new IndexOutOfRangeException(); - } - } - } - } - - /// - /// Represents a 3-tuple, or triple, as a value type. - /// - /// The type of the tuple's first component. - /// The type of the tuple's second component. - /// The type of the tuple's third component. - [Serializable] - [StructLayout(LayoutKind.Auto)] - public struct ValueTuple - : IEquatable>, IStructuralEquatable, IStructuralComparable, IComparable, IComparable>, IValueTupleInternal, ITuple - { - /// - /// The current instance's first component. - /// - public T1 Item1; - /// - /// The current instance's second component. - /// - public T2 Item2; - /// - /// The current instance's third component. - /// - public T3 Item3; - - /// - /// Initializes a new instance of the value type. - /// - /// The value of the tuple's first component. - /// The value of the tuple's second component. - /// The value of the tuple's third component. - public ValueTuple(T1 item1, T2 item2, T3 item3) - { - Item1 = item1; - Item2 = item2; - Item3 = item3; - } - - /// - /// Returns a value that indicates whether the current instance is equal to a specified object. - /// - /// The object to compare with this instance. - /// if the current instance is equal to the specified object; otherwise, . - /// - /// The parameter is considered to be equal to the current instance under the following conditions: - /// - /// It is a value type. - /// Its components are of the same types as those of the current instance. - /// Its components are equal to those of the current instance. Equality is determined by the default object equality comparer for each component. - /// - /// - public override bool Equals(object obj) - { - return obj is ValueTuple && Equals((ValueTuple)obj); - } - - /// - /// Returns a value that indicates whether the current - /// instance is equal to a specified . - /// - /// The tuple to compare with this instance. - /// if the current instance is equal to the specified tuple; otherwise, . - /// - /// The parameter is considered to be equal to the current instance if each of its fields - /// are equal to that of the current instance, using the default comparer for that field's type. - /// - public bool Equals(ValueTuple other) - { - return EqualityComparer.Default.Equals(Item1, other.Item1) - && EqualityComparer.Default.Equals(Item2, other.Item2) - && EqualityComparer.Default.Equals(Item3, other.Item3); - } - - bool IStructuralEquatable.Equals(object other, IEqualityComparer comparer) - { - if (other == null || !(other is ValueTuple)) return false; - - var objTuple = (ValueTuple)other; - - return comparer.Equals(Item1, objTuple.Item1) - && comparer.Equals(Item2, objTuple.Item2) - && comparer.Equals(Item3, objTuple.Item3); - } - - int IComparable.CompareTo(object other) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - return CompareTo((ValueTuple)other); - } - - /// Compares this instance to a specified instance and returns an indication of their relative values. - /// An instance to compare. - /// - /// A signed number indicating the relative values of this instance and . - /// Returns less than zero if this instance is less than , zero if this - /// instance is equal to , and greater than zero if this instance is greater - /// than . - /// - public int CompareTo(ValueTuple other) - { - int c = Comparer.Default.Compare(Item1, other.Item1); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item2, other.Item2); - if (c != 0) return c; - - return Comparer.Default.Compare(Item3, other.Item3); - } - - int IStructuralComparable.CompareTo(object other, IComparer comparer) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - var objTuple = (ValueTuple)other; - - int c = comparer.Compare(Item1, objTuple.Item1); - if (c != 0) return c; - - c = comparer.Compare(Item2, objTuple.Item2); - if (c != 0) return c; - - return comparer.Compare(Item3, objTuple.Item3); - } - - /// - /// Returns the hash code for the current instance. - /// - /// A 32-bit signed integer hash code. - public override int GetHashCode() - { - return ValueTuple.CombineHashCodes(Item1?.GetHashCode() ?? 0, - Item2?.GetHashCode() ?? 0, - Item3?.GetHashCode() ?? 0); - } - - int IStructuralEquatable.GetHashCode(IEqualityComparer comparer) - { - return GetHashCodeCore(comparer); - } - - private int GetHashCodeCore(IEqualityComparer comparer) - { - return ValueTuple.CombineHashCodes(comparer.GetHashCode(Item1), - comparer.GetHashCode(Item2), - comparer.GetHashCode(Item3)); - } - - int IValueTupleInternal.GetHashCode(IEqualityComparer comparer) - { - return GetHashCodeCore(comparer); - } - - /// - /// Returns a string that represents the value of this instance. - /// - /// The string representation of this instance. - /// - /// The string returned by this method takes the form (Item1, Item2, Item3). - /// If any field value is , it is represented as . - /// - public override string ToString() - { - return "(" + Item1?.ToString() + ", " + Item2?.ToString() + ", " + Item3?.ToString() + ")"; - } - - string IValueTupleInternal.ToStringEnd() - { - return Item1?.ToString() + ", " + Item2?.ToString() + ", " + Item3?.ToString() + ")"; - } - - /// - /// The number of positions in this data structure. - /// - int ITuple.Length => 3; - - /// - /// Get the element at position . - /// - object ITuple.this[int index] - { - get - { - switch (index) - { - case 0: - return Item1; - case 1: - return Item2; - case 2: - return Item3; - default: - throw new IndexOutOfRangeException(); - } - } - } - } - - /// - /// Represents a 4-tuple, or quadruple, as a value type. - /// - /// The type of the tuple's first component. - /// The type of the tuple's second component. - /// The type of the tuple's third component. - /// The type of the tuple's fourth component. - [Serializable] - [StructLayout(LayoutKind.Auto)] - public struct ValueTuple - : IEquatable>, IStructuralEquatable, IStructuralComparable, IComparable, IComparable>, IValueTupleInternal, ITuple - { - /// - /// The current instance's first component. - /// - public T1 Item1; - /// - /// The current instance's second component. - /// - public T2 Item2; - /// - /// The current instance's third component. - /// - public T3 Item3; - /// - /// The current instance's fourth component. - /// - public T4 Item4; - - /// - /// Initializes a new instance of the value type. - /// - /// The value of the tuple's first component. - /// The value of the tuple's second component. - /// The value of the tuple's third component. - /// The value of the tuple's fourth component. - public ValueTuple(T1 item1, T2 item2, T3 item3, T4 item4) - { - Item1 = item1; - Item2 = item2; - Item3 = item3; - Item4 = item4; - } - - /// - /// Returns a value that indicates whether the current instance is equal to a specified object. - /// - /// The object to compare with this instance. - /// if the current instance is equal to the specified object; otherwise, . - /// - /// The parameter is considered to be equal to the current instance under the following conditions: - /// - /// It is a value type. - /// Its components are of the same types as those of the current instance. - /// Its components are equal to those of the current instance. Equality is determined by the default object equality comparer for each component. - /// - /// - public override bool Equals(object obj) - { - return obj is ValueTuple && Equals((ValueTuple)obj); - } - - /// - /// Returns a value that indicates whether the current - /// instance is equal to a specified . - /// - /// The tuple to compare with this instance. - /// if the current instance is equal to the specified tuple; otherwise, . - /// - /// The parameter is considered to be equal to the current instance if each of its fields - /// are equal to that of the current instance, using the default comparer for that field's type. - /// - public bool Equals(ValueTuple other) - { - return EqualityComparer.Default.Equals(Item1, other.Item1) - && EqualityComparer.Default.Equals(Item2, other.Item2) - && EqualityComparer.Default.Equals(Item3, other.Item3) - && EqualityComparer.Default.Equals(Item4, other.Item4); - } - - bool IStructuralEquatable.Equals(object other, IEqualityComparer comparer) - { - if (other == null || !(other is ValueTuple)) return false; - - var objTuple = (ValueTuple)other; - - return comparer.Equals(Item1, objTuple.Item1) - && comparer.Equals(Item2, objTuple.Item2) - && comparer.Equals(Item3, objTuple.Item3) - && comparer.Equals(Item4, objTuple.Item4); - } - - int IComparable.CompareTo(object other) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - return CompareTo((ValueTuple)other); - } - - /// Compares this instance to a specified instance and returns an indication of their relative values. - /// An instance to compare. - /// - /// A signed number indicating the relative values of this instance and . - /// Returns less than zero if this instance is less than , zero if this - /// instance is equal to , and greater than zero if this instance is greater - /// than . - /// - public int CompareTo(ValueTuple other) - { - int c = Comparer.Default.Compare(Item1, other.Item1); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item2, other.Item2); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item3, other.Item3); - if (c != 0) return c; - - return Comparer.Default.Compare(Item4, other.Item4); - } - - int IStructuralComparable.CompareTo(object other, IComparer comparer) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - var objTuple = (ValueTuple)other; - - int c = comparer.Compare(Item1, objTuple.Item1); - if (c != 0) return c; - - c = comparer.Compare(Item2, objTuple.Item2); - if (c != 0) return c; - - c = comparer.Compare(Item3, objTuple.Item3); - if (c != 0) return c; - - return comparer.Compare(Item4, objTuple.Item4); - } - - /// - /// Returns the hash code for the current instance. - /// - /// A 32-bit signed integer hash code. - public override int GetHashCode() - { - return ValueTuple.CombineHashCodes(Item1?.GetHashCode() ?? 0, - Item2?.GetHashCode() ?? 0, - Item3?.GetHashCode() ?? 0, - Item4?.GetHashCode() ?? 0); - } - - int IStructuralEquatable.GetHashCode(IEqualityComparer comparer) - { - return GetHashCodeCore(comparer); - } - - private int GetHashCodeCore(IEqualityComparer comparer) - { - return ValueTuple.CombineHashCodes(comparer.GetHashCode(Item1), - comparer.GetHashCode(Item2), - comparer.GetHashCode(Item3), - comparer.GetHashCode(Item4)); - } - - int IValueTupleInternal.GetHashCode(IEqualityComparer comparer) - { - return GetHashCodeCore(comparer); - } - - /// - /// Returns a string that represents the value of this instance. - /// - /// The string representation of this instance. - /// - /// The string returned by this method takes the form (Item1, Item2, Item3, Item4). - /// If any field value is , it is represented as . - /// - public override string ToString() - { - return "(" + Item1?.ToString() + ", " + Item2?.ToString() + ", " + Item3?.ToString() + ", " + Item4?.ToString() + ")"; - } - - string IValueTupleInternal.ToStringEnd() - { - return Item1?.ToString() + ", " + Item2?.ToString() + ", " + Item3?.ToString() + ", " + Item4?.ToString() + ")"; - } - - /// - /// The number of positions in this data structure. - /// - int ITuple.Length => 4; - - /// - /// Get the element at position . - /// - object ITuple.this[int index] - { - get - { - switch (index) - { - case 0: - return Item1; - case 1: - return Item2; - case 2: - return Item3; - case 3: - return Item4; - default: - throw new IndexOutOfRangeException(); - } - } - } - } - - /// - /// Represents a 5-tuple, or quintuple, as a value type. - /// - /// The type of the tuple's first component. - /// The type of the tuple's second component. - /// The type of the tuple's third component. - /// The type of the tuple's fourth component. - /// The type of the tuple's fifth component. - [Serializable] - [StructLayout(LayoutKind.Auto)] - public struct ValueTuple - : IEquatable>, IStructuralEquatable, IStructuralComparable, IComparable, IComparable>, IValueTupleInternal, ITuple - { - /// - /// The current instance's first component. - /// - public T1 Item1; - /// - /// The current instance's second component. - /// - public T2 Item2; - /// - /// The current instance's third component. - /// - public T3 Item3; - /// - /// The current instance's fourth component. - /// - public T4 Item4; - /// - /// The current instance's fifth component. - /// - public T5 Item5; - - /// - /// Initializes a new instance of the value type. - /// - /// The value of the tuple's first component. - /// The value of the tuple's second component. - /// The value of the tuple's third component. - /// The value of the tuple's fourth component. - /// The value of the tuple's fifth component. - public ValueTuple(T1 item1, T2 item2, T3 item3, T4 item4, T5 item5) - { - Item1 = item1; - Item2 = item2; - Item3 = item3; - Item4 = item4; - Item5 = item5; - } - - /// - /// Returns a value that indicates whether the current instance is equal to a specified object. - /// - /// The object to compare with this instance. - /// if the current instance is equal to the specified object; otherwise, . - /// - /// The parameter is considered to be equal to the current instance under the following conditions: - /// - /// It is a value type. - /// Its components are of the same types as those of the current instance. - /// Its components are equal to those of the current instance. Equality is determined by the default object equality comparer for each component. - /// - /// - public override bool Equals(object obj) - { - return obj is ValueTuple && Equals((ValueTuple)obj); - } - - /// - /// Returns a value that indicates whether the current - /// instance is equal to a specified . - /// - /// The tuple to compare with this instance. - /// if the current instance is equal to the specified tuple; otherwise, . - /// - /// The parameter is considered to be equal to the current instance if each of its fields - /// are equal to that of the current instance, using the default comparer for that field's type. - /// - public bool Equals(ValueTuple other) - { - return EqualityComparer.Default.Equals(Item1, other.Item1) - && EqualityComparer.Default.Equals(Item2, other.Item2) - && EqualityComparer.Default.Equals(Item3, other.Item3) - && EqualityComparer.Default.Equals(Item4, other.Item4) - && EqualityComparer.Default.Equals(Item5, other.Item5); - } - - bool IStructuralEquatable.Equals(object other, IEqualityComparer comparer) - { - if (other == null || !(other is ValueTuple)) return false; - - var objTuple = (ValueTuple)other; - - return comparer.Equals(Item1, objTuple.Item1) - && comparer.Equals(Item2, objTuple.Item2) - && comparer.Equals(Item3, objTuple.Item3) - && comparer.Equals(Item4, objTuple.Item4) - && comparer.Equals(Item5, objTuple.Item5); - } - - int IComparable.CompareTo(object other) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - return CompareTo((ValueTuple)other); - } - - /// Compares this instance to a specified instance and returns an indication of their relative values. - /// An instance to compare. - /// - /// A signed number indicating the relative values of this instance and . - /// Returns less than zero if this instance is less than , zero if this - /// instance is equal to , and greater than zero if this instance is greater - /// than . - /// - public int CompareTo(ValueTuple other) - { - int c = Comparer.Default.Compare(Item1, other.Item1); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item2, other.Item2); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item3, other.Item3); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item4, other.Item4); - if (c != 0) return c; - - return Comparer.Default.Compare(Item5, other.Item5); - } - - int IStructuralComparable.CompareTo(object other, IComparer comparer) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - var objTuple = (ValueTuple)other; - - int c = comparer.Compare(Item1, objTuple.Item1); - if (c != 0) return c; - - c = comparer.Compare(Item2, objTuple.Item2); - if (c != 0) return c; - - c = comparer.Compare(Item3, objTuple.Item3); - if (c != 0) return c; - - c = comparer.Compare(Item4, objTuple.Item4); - if (c != 0) return c; - - return comparer.Compare(Item5, objTuple.Item5); - } - - /// - /// Returns the hash code for the current instance. - /// - /// A 32-bit signed integer hash code. - public override int GetHashCode() - { - return ValueTuple.CombineHashCodes(Item1?.GetHashCode() ?? 0, - Item2?.GetHashCode() ?? 0, - Item3?.GetHashCode() ?? 0, - Item4?.GetHashCode() ?? 0, - Item5?.GetHashCode() ?? 0); - } - - int IStructuralEquatable.GetHashCode(IEqualityComparer comparer) - { - return GetHashCodeCore(comparer); - } - - private int GetHashCodeCore(IEqualityComparer comparer) - { - return ValueTuple.CombineHashCodes(comparer.GetHashCode(Item1), - comparer.GetHashCode(Item2), - comparer.GetHashCode(Item3), - comparer.GetHashCode(Item4), - comparer.GetHashCode(Item5)); - } - - int IValueTupleInternal.GetHashCode(IEqualityComparer comparer) - { - return GetHashCodeCore(comparer); - } - - /// - /// Returns a string that represents the value of this instance. - /// - /// The string representation of this instance. - /// - /// The string returned by this method takes the form (Item1, Item2, Item3, Item4, Item5). - /// If any field value is , it is represented as . - /// - public override string ToString() - { - return "(" + Item1?.ToString() + ", " + Item2?.ToString() + ", " + Item3?.ToString() + ", " + Item4?.ToString() + ", " + Item5?.ToString() + ")"; - } - - string IValueTupleInternal.ToStringEnd() - { - return Item1?.ToString() + ", " + Item2?.ToString() + ", " + Item3?.ToString() + ", " + Item4?.ToString() + ", " + Item5?.ToString() + ")"; - } - - /// - /// The number of positions in this data structure. - /// - int ITuple.Length => 5; - - /// - /// Get the element at position . - /// - object ITuple.this[int index] - { - get - { - switch (index) - { - case 0: - return Item1; - case 1: - return Item2; - case 2: - return Item3; - case 3: - return Item4; - case 4: - return Item5; - default: - throw new IndexOutOfRangeException(); - } - } - } - } - - /// - /// Represents a 6-tuple, or sixtuple, as a value type. - /// - /// The type of the tuple's first component. - /// The type of the tuple's second component. - /// The type of the tuple's third component. - /// The type of the tuple's fourth component. - /// The type of the tuple's fifth component. - /// The type of the tuple's sixth component. - [Serializable] - [StructLayout(LayoutKind.Auto)] - public struct ValueTuple - : IEquatable>, IStructuralEquatable, IStructuralComparable, IComparable, IComparable>, IValueTupleInternal, ITuple - { - /// - /// The current instance's first component. - /// - public T1 Item1; - /// - /// The current instance's second component. - /// - public T2 Item2; - /// - /// The current instance's third component. - /// - public T3 Item3; - /// - /// The current instance's fourth component. - /// - public T4 Item4; - /// - /// The current instance's fifth component. - /// - public T5 Item5; - /// - /// The current instance's sixth component. - /// - public T6 Item6; - - /// - /// Initializes a new instance of the value type. - /// - /// The value of the tuple's first component. - /// The value of the tuple's second component. - /// The value of the tuple's third component. - /// The value of the tuple's fourth component. - /// The value of the tuple's fifth component. - /// The value of the tuple's sixth component. - public ValueTuple(T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6) - { - Item1 = item1; - Item2 = item2; - Item3 = item3; - Item4 = item4; - Item5 = item5; - Item6 = item6; - } - - /// - /// Returns a value that indicates whether the current instance is equal to a specified object. - /// - /// The object to compare with this instance. - /// if the current instance is equal to the specified object; otherwise, . - /// - /// The parameter is considered to be equal to the current instance under the following conditions: - /// - /// It is a value type. - /// Its components are of the same types as those of the current instance. - /// Its components are equal to those of the current instance. Equality is determined by the default object equality comparer for each component. - /// - /// - public override bool Equals(object obj) - { - return obj is ValueTuple && Equals((ValueTuple)obj); - } - - /// - /// Returns a value that indicates whether the current - /// instance is equal to a specified . - /// - /// The tuple to compare with this instance. - /// if the current instance is equal to the specified tuple; otherwise, . - /// - /// The parameter is considered to be equal to the current instance if each of its fields - /// are equal to that of the current instance, using the default comparer for that field's type. - /// - public bool Equals(ValueTuple other) - { - return EqualityComparer.Default.Equals(Item1, other.Item1) - && EqualityComparer.Default.Equals(Item2, other.Item2) - && EqualityComparer.Default.Equals(Item3, other.Item3) - && EqualityComparer.Default.Equals(Item4, other.Item4) - && EqualityComparer.Default.Equals(Item5, other.Item5) - && EqualityComparer.Default.Equals(Item6, other.Item6); - } - - bool IStructuralEquatable.Equals(object other, IEqualityComparer comparer) - { - if (other == null || !(other is ValueTuple)) return false; - - var objTuple = (ValueTuple)other; - - return comparer.Equals(Item1, objTuple.Item1) - && comparer.Equals(Item2, objTuple.Item2) - && comparer.Equals(Item3, objTuple.Item3) - && comparer.Equals(Item4, objTuple.Item4) - && comparer.Equals(Item5, objTuple.Item5) - && comparer.Equals(Item6, objTuple.Item6); - } - - int IComparable.CompareTo(object other) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - return CompareTo((ValueTuple)other); - } - - /// Compares this instance to a specified instance and returns an indication of their relative values. - /// An instance to compare. - /// - /// A signed number indicating the relative values of this instance and . - /// Returns less than zero if this instance is less than , zero if this - /// instance is equal to , and greater than zero if this instance is greater - /// than . - /// - public int CompareTo(ValueTuple other) - { - int c = Comparer.Default.Compare(Item1, other.Item1); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item2, other.Item2); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item3, other.Item3); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item4, other.Item4); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item5, other.Item5); - if (c != 0) return c; - - return Comparer.Default.Compare(Item6, other.Item6); - } - - int IStructuralComparable.CompareTo(object other, IComparer comparer) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - var objTuple = (ValueTuple)other; - - int c = comparer.Compare(Item1, objTuple.Item1); - if (c != 0) return c; - - c = comparer.Compare(Item2, objTuple.Item2); - if (c != 0) return c; - - c = comparer.Compare(Item3, objTuple.Item3); - if (c != 0) return c; - - c = comparer.Compare(Item4, objTuple.Item4); - if (c != 0) return c; - - c = comparer.Compare(Item5, objTuple.Item5); - if (c != 0) return c; - - return comparer.Compare(Item6, objTuple.Item6); - } - - /// - /// Returns the hash code for the current instance. - /// - /// A 32-bit signed integer hash code. - public override int GetHashCode() - { - return ValueTuple.CombineHashCodes(Item1?.GetHashCode() ?? 0, - Item2?.GetHashCode() ?? 0, - Item3?.GetHashCode() ?? 0, - Item4?.GetHashCode() ?? 0, - Item5?.GetHashCode() ?? 0, - Item6?.GetHashCode() ?? 0); - } - - int IStructuralEquatable.GetHashCode(IEqualityComparer comparer) - { - return GetHashCodeCore(comparer); - } - - private int GetHashCodeCore(IEqualityComparer comparer) - { - return ValueTuple.CombineHashCodes(comparer.GetHashCode(Item1), - comparer.GetHashCode(Item2), - comparer.GetHashCode(Item3), - comparer.GetHashCode(Item4), - comparer.GetHashCode(Item5), - comparer.GetHashCode(Item6)); - } - - int IValueTupleInternal.GetHashCode(IEqualityComparer comparer) - { - return GetHashCodeCore(comparer); - } - - /// - /// Returns a string that represents the value of this instance. - /// - /// The string representation of this instance. - /// - /// The string returned by this method takes the form (Item1, Item2, Item3, Item4, Item5, Item6). - /// If any field value is , it is represented as . - /// - public override string ToString() - { - return "(" + Item1?.ToString() + ", " + Item2?.ToString() + ", " + Item3?.ToString() + ", " + Item4?.ToString() + ", " + Item5?.ToString() + ", " + Item6?.ToString() + ")"; - } - - string IValueTupleInternal.ToStringEnd() - { - return Item1?.ToString() + ", " + Item2?.ToString() + ", " + Item3?.ToString() + ", " + Item4?.ToString() + ", " + Item5?.ToString() + ", " + Item6?.ToString() + ")"; - } - - /// - /// The number of positions in this data structure. - /// - int ITuple.Length => 6; - - /// - /// Get the element at position . - /// - object ITuple.this[int index] - { - get - { - switch (index) - { - case 0: - return Item1; - case 1: - return Item2; - case 2: - return Item3; - case 3: - return Item4; - case 4: - return Item5; - case 5: - return Item6; - default: - throw new IndexOutOfRangeException(); - } - } - } - } - - /// - /// Represents a 7-tuple, or sentuple, as a value type. - /// - /// The type of the tuple's first component. - /// The type of the tuple's second component. - /// The type of the tuple's third component. - /// The type of the tuple's fourth component. - /// The type of the tuple's fifth component. - /// The type of the tuple's sixth component. - /// The type of the tuple's seventh component. - [Serializable] - [StructLayout(LayoutKind.Auto)] - public struct ValueTuple - : IEquatable>, IStructuralEquatable, IStructuralComparable, IComparable, IComparable>, IValueTupleInternal, ITuple - { - /// - /// The current instance's first component. - /// - public T1 Item1; - /// - /// The current instance's second component. - /// - public T2 Item2; - /// - /// The current instance's third component. - /// - public T3 Item3; - /// - /// The current instance's fourth component. - /// - public T4 Item4; - /// - /// The current instance's fifth component. - /// - public T5 Item5; - /// - /// The current instance's sixth component. - /// - public T6 Item6; - /// - /// The current instance's seventh component. - /// - public T7 Item7; - - /// - /// Initializes a new instance of the value type. - /// - /// The value of the tuple's first component. - /// The value of the tuple's second component. - /// The value of the tuple's third component. - /// The value of the tuple's fourth component. - /// The value of the tuple's fifth component. - /// The value of the tuple's sixth component. - /// The value of the tuple's seventh component. - public ValueTuple(T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6, T7 item7) - { - Item1 = item1; - Item2 = item2; - Item3 = item3; - Item4 = item4; - Item5 = item5; - Item6 = item6; - Item7 = item7; - } - - /// - /// Returns a value that indicates whether the current instance is equal to a specified object. - /// - /// The object to compare with this instance. - /// if the current instance is equal to the specified object; otherwise, . - /// - /// The parameter is considered to be equal to the current instance under the following conditions: - /// - /// It is a value type. - /// Its components are of the same types as those of the current instance. - /// Its components are equal to those of the current instance. Equality is determined by the default object equality comparer for each component. - /// - /// - public override bool Equals(object obj) - { - return obj is ValueTuple && Equals((ValueTuple)obj); - } - - /// - /// Returns a value that indicates whether the current - /// instance is equal to a specified . - /// - /// The tuple to compare with this instance. - /// if the current instance is equal to the specified tuple; otherwise, . - /// - /// The parameter is considered to be equal to the current instance if each of its fields - /// are equal to that of the current instance, using the default comparer for that field's type. - /// - public bool Equals(ValueTuple other) - { - return EqualityComparer.Default.Equals(Item1, other.Item1) - && EqualityComparer.Default.Equals(Item2, other.Item2) - && EqualityComparer.Default.Equals(Item3, other.Item3) - && EqualityComparer.Default.Equals(Item4, other.Item4) - && EqualityComparer.Default.Equals(Item5, other.Item5) - && EqualityComparer.Default.Equals(Item6, other.Item6) - && EqualityComparer.Default.Equals(Item7, other.Item7); - } - - bool IStructuralEquatable.Equals(object other, IEqualityComparer comparer) - { - if (other == null || !(other is ValueTuple)) return false; - - var objTuple = (ValueTuple)other; - - return comparer.Equals(Item1, objTuple.Item1) - && comparer.Equals(Item2, objTuple.Item2) - && comparer.Equals(Item3, objTuple.Item3) - && comparer.Equals(Item4, objTuple.Item4) - && comparer.Equals(Item5, objTuple.Item5) - && comparer.Equals(Item6, objTuple.Item6) - && comparer.Equals(Item7, objTuple.Item7); - } - - int IComparable.CompareTo(object other) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - return CompareTo((ValueTuple)other); - } - - /// Compares this instance to a specified instance and returns an indication of their relative values. - /// An instance to compare. - /// - /// A signed number indicating the relative values of this instance and . - /// Returns less than zero if this instance is less than , zero if this - /// instance is equal to , and greater than zero if this instance is greater - /// than . - /// - public int CompareTo(ValueTuple other) - { - int c = Comparer.Default.Compare(Item1, other.Item1); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item2, other.Item2); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item3, other.Item3); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item4, other.Item4); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item5, other.Item5); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item6, other.Item6); - if (c != 0) return c; - - return Comparer.Default.Compare(Item7, other.Item7); - } - - int IStructuralComparable.CompareTo(object other, IComparer comparer) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - var objTuple = (ValueTuple)other; - - int c = comparer.Compare(Item1, objTuple.Item1); - if (c != 0) return c; - - c = comparer.Compare(Item2, objTuple.Item2); - if (c != 0) return c; - - c = comparer.Compare(Item3, objTuple.Item3); - if (c != 0) return c; - - c = comparer.Compare(Item4, objTuple.Item4); - if (c != 0) return c; - - c = comparer.Compare(Item5, objTuple.Item5); - if (c != 0) return c; - - c = comparer.Compare(Item6, objTuple.Item6); - if (c != 0) return c; - - return comparer.Compare(Item7, objTuple.Item7); - } - - /// - /// Returns the hash code for the current instance. - /// - /// A 32-bit signed integer hash code. - public override int GetHashCode() - { - return ValueTuple.CombineHashCodes(Item1?.GetHashCode() ?? 0, - Item2?.GetHashCode() ?? 0, - Item3?.GetHashCode() ?? 0, - Item4?.GetHashCode() ?? 0, - Item5?.GetHashCode() ?? 0, - Item6?.GetHashCode() ?? 0, - Item7?.GetHashCode() ?? 0); - } - - int IStructuralEquatable.GetHashCode(IEqualityComparer comparer) - { - return GetHashCodeCore(comparer); - } - - private int GetHashCodeCore(IEqualityComparer comparer) - { - return ValueTuple.CombineHashCodes(comparer.GetHashCode(Item1), - comparer.GetHashCode(Item2), - comparer.GetHashCode(Item3), - comparer.GetHashCode(Item4), - comparer.GetHashCode(Item5), - comparer.GetHashCode(Item6), - comparer.GetHashCode(Item7)); - } - - int IValueTupleInternal.GetHashCode(IEqualityComparer comparer) - { - return GetHashCodeCore(comparer); - } - - /// - /// Returns a string that represents the value of this instance. - /// - /// The string representation of this instance. - /// - /// The string returned by this method takes the form (Item1, Item2, Item3, Item4, Item5, Item6, Item7). - /// If any field value is , it is represented as . - /// - public override string ToString() - { - return "(" + Item1?.ToString() + ", " + Item2?.ToString() + ", " + Item3?.ToString() + ", " + Item4?.ToString() + ", " + Item5?.ToString() + ", " + Item6?.ToString() + ", " + Item7?.ToString() + ")"; - } - - string IValueTupleInternal.ToStringEnd() - { - return Item1?.ToString() + ", " + Item2?.ToString() + ", " + Item3?.ToString() + ", " + Item4?.ToString() + ", " + Item5?.ToString() + ", " + Item6?.ToString() + ", " + Item7?.ToString() + ")"; - } - - /// - /// The number of positions in this data structure. - /// - int ITuple.Length => 7; - - /// - /// Get the element at position . - /// - object ITuple.this[int index] - { - get - { - switch (index) - { - case 0: - return Item1; - case 1: - return Item2; - case 2: - return Item3; - case 3: - return Item4; - case 4: - return Item5; - case 5: - return Item6; - case 6: - return Item7; - default: - throw new IndexOutOfRangeException(); - } - } - } - } - - /// - /// Represents an 8-tuple, or octuple, as a value type. - /// - /// The type of the tuple's first component. - /// The type of the tuple's second component. - /// The type of the tuple's third component. - /// The type of the tuple's fourth component. - /// The type of the tuple's fifth component. - /// The type of the tuple's sixth component. - /// The type of the tuple's seventh component. - /// The type of the tuple's eighth component. - [Serializable] - [StructLayout(LayoutKind.Auto)] - public struct ValueTuple - : IEquatable>, IStructuralEquatable, IStructuralComparable, IComparable, IComparable>, IValueTupleInternal, ITuple - where TRest : struct - { - /// - /// The current instance's first component. - /// - public T1 Item1; - /// - /// The current instance's second component. - /// - public T2 Item2; - /// - /// The current instance's third component. - /// - public T3 Item3; - /// - /// The current instance's fourth component. - /// - public T4 Item4; - /// - /// The current instance's fifth component. - /// - public T5 Item5; - /// - /// The current instance's sixth component. - /// - public T6 Item6; - /// - /// The current instance's seventh component. - /// - public T7 Item7; - /// - /// The current instance's eighth component. - /// - public TRest Rest; - - /// - /// Initializes a new instance of the value type. - /// - /// The value of the tuple's first component. - /// The value of the tuple's second component. - /// The value of the tuple's third component. - /// The value of the tuple's fourth component. - /// The value of the tuple's fifth component. - /// The value of the tuple's sixth component. - /// The value of the tuple's seventh component. - /// The value of the tuple's eight component. - public ValueTuple(T1 item1, T2 item2, T3 item3, T4 item4, T5 item5, T6 item6, T7 item7, TRest rest) - { - if (!(rest is IValueTupleInternal)) - { - throw new ArgumentException(); - } - - Item1 = item1; - Item2 = item2; - Item3 = item3; - Item4 = item4; - Item5 = item5; - Item6 = item6; - Item7 = item7; - Rest = rest; - } - - /// - /// Returns a value that indicates whether the current instance is equal to a specified object. - /// - /// The object to compare with this instance. - /// if the current instance is equal to the specified object; otherwise, . - /// - /// The parameter is considered to be equal to the current instance under the following conditions: - /// - /// It is a value type. - /// Its components are of the same types as those of the current instance. - /// Its components are equal to those of the current instance. Equality is determined by the default object equality comparer for each component. - /// - /// - public override bool Equals(object obj) - { - return obj is ValueTuple && Equals((ValueTuple)obj); - } - - /// - /// Returns a value that indicates whether the current - /// instance is equal to a specified . - /// - /// The tuple to compare with this instance. - /// if the current instance is equal to the specified tuple; otherwise, . - /// - /// The parameter is considered to be equal to the current instance if each of its fields - /// are equal to that of the current instance, using the default comparer for that field's type. - /// - public bool Equals(ValueTuple other) - { - return EqualityComparer.Default.Equals(Item1, other.Item1) - && EqualityComparer.Default.Equals(Item2, other.Item2) - && EqualityComparer.Default.Equals(Item3, other.Item3) - && EqualityComparer.Default.Equals(Item4, other.Item4) - && EqualityComparer.Default.Equals(Item5, other.Item5) - && EqualityComparer.Default.Equals(Item6, other.Item6) - && EqualityComparer.Default.Equals(Item7, other.Item7) - && EqualityComparer.Default.Equals(Rest, other.Rest); - } - - bool IStructuralEquatable.Equals(object other, IEqualityComparer comparer) - { - if (other == null || !(other is ValueTuple)) return false; - - var objTuple = (ValueTuple)other; - - return comparer.Equals(Item1, objTuple.Item1) - && comparer.Equals(Item2, objTuple.Item2) - && comparer.Equals(Item3, objTuple.Item3) - && comparer.Equals(Item4, objTuple.Item4) - && comparer.Equals(Item5, objTuple.Item5) - && comparer.Equals(Item6, objTuple.Item6) - && comparer.Equals(Item7, objTuple.Item7) - && comparer.Equals(Rest, objTuple.Rest); - } - - int IComparable.CompareTo(object other) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - return CompareTo((ValueTuple)other); - } - - /// Compares this instance to a specified instance and returns an indication of their relative values. - /// An instance to compare. - /// - /// A signed number indicating the relative values of this instance and . - /// Returns less than zero if this instance is less than , zero if this - /// instance is equal to , and greater than zero if this instance is greater - /// than . - /// - public int CompareTo(ValueTuple other) - { - int c = Comparer.Default.Compare(Item1, other.Item1); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item2, other.Item2); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item3, other.Item3); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item4, other.Item4); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item5, other.Item5); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item6, other.Item6); - if (c != 0) return c; - - c = Comparer.Default.Compare(Item7, other.Item7); - if (c != 0) return c; - - return Comparer.Default.Compare(Rest, other.Rest); - } - - int IStructuralComparable.CompareTo(object other, IComparer comparer) - { - if (other == null) return 1; - - if (!(other is ValueTuple)) - { - throw new ArgumentException(); - } - - var objTuple = (ValueTuple)other; - - int c = comparer.Compare(Item1, objTuple.Item1); - if (c != 0) return c; - - c = comparer.Compare(Item2, objTuple.Item2); - if (c != 0) return c; - - c = comparer.Compare(Item3, objTuple.Item3); - if (c != 0) return c; - - c = comparer.Compare(Item4, objTuple.Item4); - if (c != 0) return c; - - c = comparer.Compare(Item5, objTuple.Item5); - if (c != 0) return c; - - c = comparer.Compare(Item6, objTuple.Item6); - if (c != 0) return c; - - c = comparer.Compare(Item7, objTuple.Item7); - if (c != 0) return c; - - return comparer.Compare(Rest, objTuple.Rest); - } - - /// - /// Returns the hash code for the current instance. - /// - /// A 32-bit signed integer hash code. - public override int GetHashCode() - { - // We want to have a limited hash in this case. We'll use the last 8 elements of the tuple - IValueTupleInternal rest = Rest as IValueTupleInternal; - if (rest == null) - { - return ValueTuple.CombineHashCodes(Item1?.GetHashCode() ?? 0, - Item2?.GetHashCode() ?? 0, - Item3?.GetHashCode() ?? 0, - Item4?.GetHashCode() ?? 0, - Item5?.GetHashCode() ?? 0, - Item6?.GetHashCode() ?? 0, - Item7?.GetHashCode() ?? 0); - } - - int size = rest.Length; - if (size >= 8) { return rest.GetHashCode(); } - - // In this case, the rest member has less than 8 elements so we need to combine some our elements with the elements in rest - int k = 8 - size; - switch (k) - { - case 1: - return ValueTuple.CombineHashCodes(Item7?.GetHashCode() ?? 0, - rest.GetHashCode()); - case 2: - return ValueTuple.CombineHashCodes(Item6?.GetHashCode() ?? 0, - Item7?.GetHashCode() ?? 0, - rest.GetHashCode()); - case 3: - return ValueTuple.CombineHashCodes(Item5?.GetHashCode() ?? 0, - Item6?.GetHashCode() ?? 0, - Item7?.GetHashCode() ?? 0, - rest.GetHashCode()); - case 4: - return ValueTuple.CombineHashCodes(Item4?.GetHashCode() ?? 0, - Item5?.GetHashCode() ?? 0, - Item6?.GetHashCode() ?? 0, - Item7?.GetHashCode() ?? 0, - rest.GetHashCode()); - case 5: - return ValueTuple.CombineHashCodes(Item3?.GetHashCode() ?? 0, - Item4?.GetHashCode() ?? 0, - Item5?.GetHashCode() ?? 0, - Item6?.GetHashCode() ?? 0, - Item7?.GetHashCode() ?? 0, - rest.GetHashCode()); - case 6: - return ValueTuple.CombineHashCodes(Item2?.GetHashCode() ?? 0, - Item3?.GetHashCode() ?? 0, - Item4?.GetHashCode() ?? 0, - Item5?.GetHashCode() ?? 0, - Item6?.GetHashCode() ?? 0, - Item7?.GetHashCode() ?? 0, - rest.GetHashCode()); - case 7: - case 8: - return ValueTuple.CombineHashCodes(Item1?.GetHashCode() ?? 0, - Item2?.GetHashCode() ?? 0, - Item3?.GetHashCode() ?? 0, - Item4?.GetHashCode() ?? 0, - Item5?.GetHashCode() ?? 0, - Item6?.GetHashCode() ?? 0, - Item7?.GetHashCode() ?? 0, - rest.GetHashCode()); - } - - Contract.Assert(false, "Missed all cases for computing ValueTuple hash code"); - return -1; - } - - int IStructuralEquatable.GetHashCode(IEqualityComparer comparer) - { - return GetHashCodeCore(comparer); - } - - private int GetHashCodeCore(IEqualityComparer comparer) - { - // We want to have a limited hash in this case. We'll use the last 8 elements of the tuple - IValueTupleInternal rest = Rest as IValueTupleInternal; - if (rest == null) - { - return ValueTuple.CombineHashCodes(comparer.GetHashCode(Item1), comparer.GetHashCode(Item2), comparer.GetHashCode(Item3), - comparer.GetHashCode(Item4), comparer.GetHashCode(Item5), comparer.GetHashCode(Item6), - comparer.GetHashCode(Item7)); - } - - int size = rest.Length; - if (size >= 8) { return rest.GetHashCode(comparer); } - - // In this case, the rest member has less than 8 elements so we need to combine some our elements with the elements in rest - int k = 8 - size; - switch (k) - { - case 1: - return ValueTuple.CombineHashCodes(comparer.GetHashCode(Item7), rest.GetHashCode(comparer)); - case 2: - return ValueTuple.CombineHashCodes(comparer.GetHashCode(Item6), comparer.GetHashCode(Item7), rest.GetHashCode(comparer)); - case 3: - return ValueTuple.CombineHashCodes(comparer.GetHashCode(Item5), comparer.GetHashCode(Item6), comparer.GetHashCode(Item7), - rest.GetHashCode(comparer)); - case 4: - return ValueTuple.CombineHashCodes(comparer.GetHashCode(Item4), comparer.GetHashCode(Item5), comparer.GetHashCode(Item6), - comparer.GetHashCode(Item7), rest.GetHashCode(comparer)); - case 5: - return ValueTuple.CombineHashCodes(comparer.GetHashCode(Item3), comparer.GetHashCode(Item4), comparer.GetHashCode(Item5), - comparer.GetHashCode(Item6), comparer.GetHashCode(Item7), rest.GetHashCode(comparer)); - case 6: - return ValueTuple.CombineHashCodes(comparer.GetHashCode(Item2), comparer.GetHashCode(Item3), comparer.GetHashCode(Item4), - comparer.GetHashCode(Item5), comparer.GetHashCode(Item6), comparer.GetHashCode(Item7), - rest.GetHashCode(comparer)); - case 7: - case 8: - return ValueTuple.CombineHashCodes(comparer.GetHashCode(Item1), comparer.GetHashCode(Item2), comparer.GetHashCode(Item3), - comparer.GetHashCode(Item4), comparer.GetHashCode(Item5), comparer.GetHashCode(Item6), - comparer.GetHashCode(Item7), rest.GetHashCode(comparer)); - } - - Contract.Assert(false, "Missed all cases for computing ValueTuple hash code"); - return -1; - } - - int IValueTupleInternal.GetHashCode(IEqualityComparer comparer) - { - return GetHashCodeCore(comparer); - } - - /// - /// Returns a string that represents the value of this instance. - /// - /// The string representation of this instance. - /// - /// The string returned by this method takes the form (Item1, Item2, Item3, Item4, Item5, Item6, Item7, Rest). - /// If any field value is , it is represented as . - /// - public override string ToString() - { - IValueTupleInternal rest = Rest as IValueTupleInternal; - if (rest == null) - { - return "(" + Item1?.ToString() + ", " + Item2?.ToString() + ", " + Item3?.ToString() + ", " + Item4?.ToString() + ", " + Item5?.ToString() + ", " + Item6?.ToString() + ", " + Item7?.ToString() + ", " + Rest.ToString() + ")"; - } - else - { - return "(" + Item1?.ToString() + ", " + Item2?.ToString() + ", " + Item3?.ToString() + ", " + Item4?.ToString() + ", " + Item5?.ToString() + ", " + Item6?.ToString() + ", " + Item7?.ToString() + ", " + rest.ToStringEnd(); - } - } - - string IValueTupleInternal.ToStringEnd() - { - IValueTupleInternal rest = Rest as IValueTupleInternal; - if (rest == null) - { - return Item1?.ToString() + ", " + Item2?.ToString() + ", " + Item3?.ToString() + ", " + Item4?.ToString() + ", " + Item5?.ToString() + ", " + Item6?.ToString() + ", " + Item7?.ToString() + ", " + Rest.ToString() + ")"; - } - else - { - return Item1?.ToString() + ", " + Item2?.ToString() + ", " + Item3?.ToString() + ", " + Item4?.ToString() + ", " + Item5?.ToString() + ", " + Item6?.ToString() + ", " + Item7?.ToString() + ", " + rest.ToStringEnd(); - } - } - - /// - /// The number of positions in this data structure. - /// - int ITuple.Length - { - get - { - IValueTupleInternal rest = Rest as IValueTupleInternal; - return rest == null ? 8 : 7 + rest.Length; - } - } - - /// - /// Get the element at position . - /// - object ITuple.this[int index] - { - get - { - switch (index) - { - case 0: - return Item1; - case 1: - return Item2; - case 2: - return Item3; - case 3: - return Item4; - case 4: - return Item5; - case 5: - return Item6; - case 6: - return Item7; - } - - IValueTupleInternal rest = Rest as IValueTupleInternal; - if (rest == null) - { - if (index == 7) - { - return Rest; - } - throw new IndexOutOfRangeException(); - } - return rest[index - 7]; - } - } - } -} -#endif