code from 05.12.23 lecture

ScarletSurge · Dec 6, 2023 · 83b632b · 83b632b
1 parent c9c8f78
commit 83b632b
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Showing 10 changed files with 131 additions and 39 deletions.
diff --git a/DigitalCathedral.Task1/DigitalCathedral.Task1.csproj b/DigitalCathedral.Task1/DigitalCathedral.Task1.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net6.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>
diff --git a/DigitalCathedral.Task1/Program.cs b/DigitalCathedral.Task1/Program.cs
@@ -0,0 +1,25 @@
+// See https://aka.ms/new-console-template for more information
+
+using DigitalCathedral.Task1;
+
+try
+{
+    Student s1 = new Student("", "", "", "", "", 3);
+    Student s2 = new Student("", "", "", "", "", 3);
+    Console.WriteLine(s1.Equals(s2));
+    Student st = new Student("Ivanov", "Ivan", "Ivanovich", "M1O-301B-21", "1234-123-12", 3);
+
+    Console.WriteLine("No exceptions were thrown");
+}
+catch (ArgumentNullException ex)
+{
+    // 
+    Console.WriteLine(ex.Message);
+}
+catch (ArgumentException ex)
+{
+    // 
+    Console.WriteLine(ex.Message);
+}
+
+Console.WriteLine("after try/catch...");
diff --git a/DigitalCathedral/Student.cs → DigitalCathedral.Task1/Student.cs b/DigitalCathedral/Student.cs → DigitalCathedral.Task1/Student.cs
@@ -1,4 +1,4 @@
-namespace DigitalCathedral;
+namespace DigitalCathedral.Task1;
 
 public sealed class Student:
     IEquatable<Student>
@@ -8,15 +8,15 @@ public sealed class Student:
     private readonly string _name;
     private readonly string _patronymic;
     private readonly string _group;
-    private readonly string _zachetka;
+    private readonly string _recordBookId;
     private readonly int _course;
 
     public Student(
         string? surname,
         string? name,
         string? patronymic,
         string? group,
-        string? zachetka,
+        string? recordBookId,
         int course)
     {
         if (surname is null)
@@ -28,7 +28,7 @@ public Student(
         _name = name ?? throw new ArgumentNullException(nameof(name));
         _patronymic = patronymic ?? throw new ArgumentNullException(nameof(patronymic));
         _group = group ?? throw new ArgumentNullException(nameof(group));
-        _zachetka = zachetka ?? throw new ArgumentNullException(nameof(zachetka));
+        _recordBookId = recordBookId ?? throw new ArgumentNullException(nameof(recordBookId));
         // if (!(course >= 1 && course <= 4))
         if (course < 1 || course > 4)
         {
@@ -49,15 +49,15 @@ public Student(
     public string Group =>
         _group;
 
-    public string Zachetka =>
-        _zachetka;
+    public string RecordBookId =>
+        _recordBookId;
 
     public int Course =>
         _course;
 
     public override string ToString()
     {
-        return "";
+        return $"Surname = \"{Surname}\", Name = \"{Name}\", Patronymic = \"{Patronymic}\", Group = \"{Group}\", Record book id = \"{RecordBookId}\", Course = {Course}";
     }
 
     public override int GetHashCode()
@@ -67,7 +67,7 @@ public override int GetHashCode()
         result.Add(_name);
         result.Add(_patronymic);
         result.Add(_group);
-        result.Add(_zachetka);
+        result.Add(_recordBookId);
         result.Add(_course);
         return result.ToHashCode();
     }
@@ -100,7 +100,7 @@ public bool Equals(
                _name.Equals(student._name) &&
                _patronymic.Equals(student._patronymic) &&
                _group.Equals(student._group) &&
-               _zachetka.Equals(student._zachetka) &&
+               _recordBookId.Equals(student._recordBookId) &&
                _course.Equals(student._course);
     }
 

diff --git a/DigitalCathedral/CombinatoricsExtensions.cs → ...athedral.Task2/CombinatoricsExtensions.cs b/DigitalCathedral/CombinatoricsExtensions.cs → ...athedral.Task2/CombinatoricsExtensions.cs
@@ -1,4 +1,4 @@
-namespace DigitalCathedral;
+namespace DigitalCathedral.Task2;
 
 public static class CombinatoricsExtensions
 {

diff --git a/DigitalCathedral.Task2/DigitalCathedral.Task2.csproj b/DigitalCathedral.Task2/DigitalCathedral.Task2.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net6.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>
diff --git a/DigitalCathedral/IntEqualityComparer.cs → ...talCathedral.Task2/IntEqualityComparer.cs b/DigitalCathedral/IntEqualityComparer.cs → ...talCathedral.Task2/IntEqualityComparer.cs
@@ -1,7 +1,8 @@
-namespace DigitalCathedral;
+namespace DigitalCathedral.Task2;
 
 public sealed class IntEqualityComparer : IEqualityComparer<int>
 {
+
     private const int EventIntHashCode = 0;
 
     public bool Equals(
@@ -25,4 +26,5 @@ public int GetHashCode(
         }
         return obj.GetHashCode();
     }
+
 }
diff --git a/DigitalCathedral.Task2/Program.cs b/DigitalCathedral.Task2/Program.cs
@@ -0,0 +1,12 @@
+using DigitalCathedral.Task2;
+
+try
+{
+    IEqualityComparer<int> equalityComparer = new IntEqualityComparer();
+    var values = new int [] { 1, 2, 3, 4, 5 };
+    values.GetCombinations(3, equalityComparer);
+}
+catch (ArgumentException ex)
+{
+    Console.WriteLine(ex.Message);
+}
diff --git a/DigitalCathedral.sln b/DigitalCathedral.sln
@@ -2,6 +2,12 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalCathedral", "DigitalCathedral\DigitalCathedral.csproj", "{1D8020D4-5048-4BBB-A779-44E7C3AD43CB}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tasks", "Tasks", "{8193D3C5-610D-4FEF-B2C2-8E41D6594161}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalCathedral.Task1", "DigitalCathedral.Task1\DigitalCathedral.Task1.csproj", "{8022E880-A4E4-441B-8D90-195C4382F1C8}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalCathedral.Task2", "DigitalCathedral.Task2\DigitalCathedral.Task2.csproj", "{26461CE6-A23D-4B47-B9B4-C1354CBBC946}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -12,5 +18,17 @@ Global
 		{1D8020D4-5048-4BBB-A779-44E7C3AD43CB}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{1D8020D4-5048-4BBB-A779-44E7C3AD43CB}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{1D8020D4-5048-4BBB-A779-44E7C3AD43CB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{8022E880-A4E4-441B-8D90-195C4382F1C8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8022E880-A4E4-441B-8D90-195C4382F1C8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8022E880-A4E4-441B-8D90-195C4382F1C8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8022E880-A4E4-441B-8D90-195C4382F1C8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{26461CE6-A23D-4B47-B9B4-C1354CBBC946}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{26461CE6-A23D-4B47-B9B4-C1354CBBC946}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{26461CE6-A23D-4B47-B9B4-C1354CBBC946}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{26461CE6-A23D-4B47-B9B4-C1354CBBC946}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{8022E880-A4E4-441B-8D90-195C4382F1C8} = {8193D3C5-610D-4FEF-B2C2-8E41D6594161}
+		{26461CE6-A23D-4B47-B9B4-C1354CBBC946} = {8193D3C5-610D-4FEF-B2C2-8E41D6594161}
 	EndGlobalSection
 EndGlobal
diff --git a/DigitalCathedral/IEnumerableImpl.cs b/DigitalCathedral/IEnumerableImpl.cs
@@ -0,0 +1,24 @@
+using System.Collections;
+
+namespace DigitalCathedral;
+
+public class IEnumerableImpl:
+    IEnumerable<int>
+{
+
+    private readonly int[] _values = new[] { 1, 2, 3, 4, 5 };
+
+    IEnumerator IEnumerable.GetEnumerator()
+    {
+        return _values.GetEnumerator();
+    }
+
+    public IEnumerator<int> GetEnumerator()
+    {
+        for (var i = 0; i < _values.Length; i++)
+        {
+            yield return _values[i];
+        }
+    }
+
+}
diff --git a/DigitalCathedral/Program.cs b/DigitalCathedral/Program.cs
@@ -70,6 +70,7 @@
 //           { +k, x > y
 // IComparable, IComparable<T>, IComparer<T>
 
+using System.Collections;
 using DigitalCathedral;
 // 
 // int value = 11;
@@ -266,27 +267,7 @@
 //     // TODO: work with value
 // }
 // 
-// Student s1 = new Student("", "", "", "", "", 3);
-// Student s2 = new Student("", "", "", "", "", 3);
-// Console.WriteLine(s1.Equals(s2));
-// 
-// try
-// {
-//     Student st = new Student("Ivanov", "Ivan", "Ivanovich", "M1O-301B-21", "1234-123-12", 3);
-//     
-//     Console.WriteLine("No exceptions were thrown");
-// }
-// catch (ArgumentNullException ex)
-// {
-//     // 
-//     Console.WriteLine(ex.Message);
-// }
-// catch (ArgumentException ex)
-// {
-//     // 
-//     Console.WriteLine(ex.Message);
-// }
-// Console.WriteLine("after try/catch...");
+
 // 
 // var fraction = new Fraction(2, 5);
 // var fraction2 = new Fraction(1, 7);
@@ -295,14 +276,24 @@
 // var multiplicationResult = Fraction.Multiplication(fraction, fraction2);
 // 
 // Console.WriteLine(fraction.CompareTo(fraction2));
+{
+    int value = 10;
+    object o = (object) value;
+    int value1 = (int) o;
+    Console.WriteLine(value1);
+}
 
-try
+var impl = new IEnumerableImpl();
+var iterator = ((IEnumerable)impl).GetEnumerator();
+while (iterator.MoveNext())
 {
-    IEqualityComparer<int> equalityComparer = new IntEqualityComparer();
-    var values = Enumerable.Range(1, 10).ToArray();
-    values.GetCombinations(3, equalityComparer);
+    Console.WriteLine((int)iterator.Current);
 }
-catch (ArgumentException ex)
+
+foreach (var value in impl)
 {
-    Console.WriteLine(ex.Message);
-}
+    Console.WriteLine(value);
+}
+
+//IComparer<T>
+//IEqualityComparer<int>;