LocalVariableHandle.cs

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namespace System.Reflection.Metadata;
 
public readonly struct LocalVariableHandle : IEquatable<LocalVariableHandle>
{
    private readonly int _rowId;
 
    public bool IsNil => RowId == 0;
 
    internal int RowId => _rowId;
 
    private LocalVariableHandle(int rowId)
    {
        _rowId = rowId;
    }
 
    internal static LocalVariableHandle FromRowId(int rowId)
    {
        return new LocalVariableHandle(rowId);
    }
 
    public static implicit operator Handle(LocalVariableHandle handle)
    {
        return new Handle(51, handle._rowId);
    }
 
    public static implicit operator EntityHandle(LocalVariableHandle handle)
    {
        return new EntityHandle((uint)(0x33000000uL | (ulong)handle._rowId));
    }
 
    public static explicit operator LocalVariableHandle(Handle handle)
    {
        if (handle.VType != 51)
        {
            Throw.InvalidCast();
        }
        return new LocalVariableHandle(handle.RowId);
    }
 
    public static explicit operator LocalVariableHandle(EntityHandle handle)
    {
        if (handle.VType != 855638016)
        {
            Throw.InvalidCast();
        }
        return new LocalVariableHandle(handle.RowId);
    }
 
    public static bool operator ==(LocalVariableHandle left, LocalVariableHandle right)
    {
        return left._rowId == right._rowId;
    }
 
    public override bool Equals(object? obj)
    {
        if (obj is LocalVariableHandle localVariableHandle)
        {
            return localVariableHandle._rowId == _rowId;
        }
        return false;
    }
 
    public bool Equals(LocalVariableHandle other)
    {
        return _rowId == other._rowId;
    }
 
    public override int GetHashCode()
    {
        return _rowId.GetHashCode();
    }
 
    public static bool operator !=(LocalVariableHandle left, LocalVariableHandle right)
    {
        return left._rowId != right._rowId;
    }
}