LocalConstantHandle.cs

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using System.Diagnostics.CodeAnalysis;
 
namespace System.Reflection.Metadata;
 
public readonly struct LocalConstantHandle : IEquatable<LocalConstantHandle>
{
    private readonly int _rowId;
 
    public bool IsNil => RowId == 0;
 
    internal int RowId => _rowId;
 
    private LocalConstantHandle(int rowId)
    {
        _rowId = rowId;
    }
 
    internal static LocalConstantHandle FromRowId(int rowId)
    {
        return new LocalConstantHandle(rowId);
    }
 
    public static implicit operator Handle(LocalConstantHandle handle)
    {
        return new Handle(52, handle._rowId);
    }
 
    public static implicit operator EntityHandle(LocalConstantHandle handle)
    {
        return new EntityHandle((uint)(0x34000000uL | (ulong)handle._rowId));
    }
 
    public static explicit operator LocalConstantHandle(Handle handle)
    {
        if (handle.VType != 52)
        {
            Throw.InvalidCast();
        }
        return new LocalConstantHandle(handle.RowId);
    }
 
    public static explicit operator LocalConstantHandle(EntityHandle handle)
    {
        if (handle.VType != 872415232)
        {
            Throw.InvalidCast();
        }
        return new LocalConstantHandle(handle.RowId);
    }
 
    public static bool operator ==(LocalConstantHandle left, LocalConstantHandle right)
    {
        return left._rowId == right._rowId;
    }
 
    public override bool Equals([NotNullWhen(true)] object? obj)
    {
        if (obj is LocalConstantHandle localConstantHandle)
        {
            return localConstantHandle._rowId == _rowId;
        }
        return false;
    }
 
    public bool Equals(LocalConstantHandle other)
    {
        return _rowId == other._rowId;
    }
 
    public override int GetHashCode()
    {
        return _rowId.GetHashCode();
    }
 
    public static bool operator !=(LocalConstantHandle left, LocalConstantHandle right)
    {
        return left._rowId != right._rowId;
    }
}