using System.Runtime.CompilerServices; namespace System.Collections.Frozen { [System.Runtime.CompilerServices.NullableContext(2)] [System.Runtime.CompilerServices.Nullable(0)] internal static class Constants { public const int MaxItemsInSmallFrozenCollection = 4; public const int MaxItemsInSmallValueTypeFrozenCollection = 10; public static bool IsKnownComparable<T>() { if (!(typeof(T) == typeof(bool)) && !(typeof(T) == typeof(sbyte)) && !(typeof(T) == typeof(byte)) && !(typeof(T) == typeof(char)) && !(typeof(T) == typeof(short)) && !(typeof(T) == typeof(ushort)) && !(typeof(T) == typeof(int)) && !(typeof(T) == typeof(uint)) && !(typeof(T) == typeof(long)) && !(typeof(T) == typeof(ulong)) && !(typeof(T) == typeof(decimal)) && !(typeof(T) == typeof(float)) && !(typeof(T) == typeof(double)) && !(typeof(T) == typeof(decimal)) && !(typeof(T) == typeof(TimeSpan)) && !(typeof(T) == typeof(DateTime)) && !(typeof(T) == typeof(DateTimeOffset)) && !(typeof(T) == typeof(Guid))) return typeof(T).IsEnum; return true; } internal static bool KeysAreHashCodes<T>() { if (!(typeof(T) == typeof(int)) && !(typeof(T) == typeof(uint)) && !(typeof(T) == typeof(short)) && !(typeof(T) == typeof(ushort)) && !(typeof(T) == typeof(byte)) && !(typeof(T) == typeof(sbyte))) { if (typeof(T) == typeof(IntPtr) || typeof(T) == typeof(UIntPtr)) return IntPtr.Size == 4; return false; } return true; } } }