Use collection expressions

wawa.Modules/Source/Sounds/Sound.EffectTypes.cs

@@ -7,8 +7,7 @@ public sealed partial class Sound
     /// <summary>Gets all vanilla sounds from the base game.</summary>
     [NotNull, PublicAPI]
     public static ReadOnlyCollection<Sound> Vanillas { [Pure] get; } = new(
-        new[]
-        {
+        [
             AlarmClockBeep,
             AlarmClockSnooze,
             BigButtonPress,
@@ -37,7 +36,7 @@ public sealed partial class Sound
             TypewriterKey,
             WireSequenceMechanism,
             WireSnip,
-        }
+        ]
     );
 
     /// <summary>Gets the sound that plays when the alarm clock goes off. This sound loops.</summary>

wawa.Recall/Source/Abstractions/Domains/Generator.cs

@@ -22,9 +22,6 @@ static readonly MethodInfo
         s_combine = ((Func<Delegate, Delegate, Delegate>)Delegate.Combine).Method,
         s_remove = ((Delegate)Delegate.Remove).Method;
 
-    [NotNull]
-    static readonly ParameterExpression[] s_parameterless = new ParameterExpression[0];
-
     /// <inheritdoc cref="TrySet{T}(Hook{T}, T)"/>
     [PublicAPI]
     public static bool TrySet<T>(
@@ -530,7 +527,7 @@ static Func<T, Delegate> Caster<T>([NotNull] this Type type)
         var exParameter = Expression.Parameter(typeof(T), nameof(T));
         var method = type.GetMethod(nameof(Action.Invoke))!;
         var exArgs = method.GetParameters().Select((x, i) => Expression.Parameter(x.ParameterType, $"a{i}")).ToArray();
-        var exDest = typeof(T).GetMethod(nameof(Action.Invoke))!.GetParameters().Length is 0 ? s_parameterless : exArgs;
+        var exDest = typeof(T).GetMethod(nameof(Action.Invoke))!.GetParameters().Length is 0 ? [] : exArgs;
         var exInvoke = Expression.Invoke(exParameter, exDest.Cast<Expression>());
         var exLambda = Expression.Lambda(type, exInvoke, exArgs);
         var exIsNull = Expression.Equal(exParameter, exNull);

wawa.Recall/Source/Internals/Globals.cs

@@ -21,7 +21,7 @@ public static class Lot<T>
         public static Func<T, T> Id => x => x;
 
         /// <summary>Gets the empty set.</summary>
-        public static ReadOnlyCollection<T> Empty { [Pure] get; } = new(new T[0]);
+        public static ReadOnlyCollection<T> Empty { [Pure] get; } = new([]);
     }
 
     /// <summary>Gets the <see cref="AssemblyName"/> of the caller that invoked the method calling this.</summary>

wawa.TwitchPlays/Source/Domains/Instruction.cs

@@ -44,7 +44,7 @@ public Instruction([ItemCanBeNull, NotNull] IEnumerable<Instruction> enumerator)
     /// For the camera side view. The second one in the form of <c>Quaternion.Euler(x, y, z)</c>.
     /// </param>
     [CLSCompliant(false), PublicAPI]
-    public Instruction(Quaternion first, Quaternion second) => Value = new[] { first, second };
+    public Instruction(Quaternion first, Quaternion second) => Value = (Quaternion[])[first, second];
 
     /// <summary>Initializes a new instance of the <see cref="Instruction"/> class.</summary>
     /// <param name="value">The value to pass in.</param>

wawa.TwitchPlays/Source/Twitch{TMod}.cs

@@ -427,16 +427,14 @@ object Field() =>
         if (type == typeof(string) || type == typeof(object))
             return value;
 
-        var arr = new[] { typeof(string), type.MakeByRefType() };
+        Type[] signature = [typeof(string), type.MakeByRefType()];
 
-        if (type.GetMethod(nameof(int.TryParse), arr) is not { IsStatic: true } method ||
+        if (type.GetMethod(nameof(int.TryParse), signature) is not { IsStatic: true } method ||
             method.ReturnType != typeof(bool))
             return Field();
 
-        var args = new object[] { value, null };
-        var ret = (bool)method.Invoke(null, args);
-
-        return ret ? args[1] : ParseError.NoMatch;
+        object[] args = [value, null];
+        return method.Invoke(null, args) is true ? args[1] : ParseError.NoMatch;
     }
 
     [ItemNotNull, NotNull]