UserStringHandle.cs

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namespace System.Reflection.Metadata;
 
public readonly struct UserStringHandle : IEquatable<UserStringHandle>
{
    private readonly int _offset;
 
    public bool IsNil => _offset == 0;
 
    private UserStringHandle(int offset)
    {
        _offset = offset;
    }
 
    internal static UserStringHandle FromOffset(int heapOffset)
    {
        return new UserStringHandle(heapOffset);
    }
 
    public static implicit operator Handle(UserStringHandle handle)
    {
        return new Handle(112, handle._offset);
    }
 
    public static explicit operator UserStringHandle(Handle handle)
    {
        if (handle.VType != 112)
        {
            Throw.InvalidCast();
        }
        return new UserStringHandle(handle.Offset);
    }
 
    internal int GetHeapOffset()
    {
        return _offset;
    }
 
    public static bool operator ==(UserStringHandle left, UserStringHandle right)
    {
        return left._offset == right._offset;
    }
 
    public override bool Equals(object? obj)
    {
        if (obj is UserStringHandle)
        {
            return ((UserStringHandle)obj)._offset == _offset;
        }
        return false;
    }
 
    public bool Equals(UserStringHandle other)
    {
        return _offset == other._offset;
    }
 
    public override int GetHashCode()
    {
        return _offset.GetHashCode();
    }
 
    public static bool operator !=(UserStringHandle left, UserStringHandle right)
    {
        return left._offset != right._offset;
    }
}