FieldDefinitionHandle.cs

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namespace System.Reflection.Metadata;
 
public readonly struct FieldDefinitionHandle : IEquatable<FieldDefinitionHandle>
{
    private readonly int _rowId;
 
    public bool IsNil => RowId == 0;
 
    internal int RowId => _rowId;
 
    private FieldDefinitionHandle(int rowId)
    {
        _rowId = rowId;
    }
 
    internal static FieldDefinitionHandle FromRowId(int rowId)
    {
        return new FieldDefinitionHandle(rowId);
    }
 
    public static implicit operator Handle(FieldDefinitionHandle handle)
    {
        return new Handle(4, handle._rowId);
    }
 
    public static implicit operator EntityHandle(FieldDefinitionHandle handle)
    {
        return new EntityHandle((uint)(0x4000000uL | (ulong)handle._rowId));
    }
 
    public static explicit operator FieldDefinitionHandle(Handle handle)
    {
        if (handle.VType != 4)
        {
            Throw.InvalidCast();
        }
        return new FieldDefinitionHandle(handle.RowId);
    }
 
    public static explicit operator FieldDefinitionHandle(EntityHandle handle)
    {
        if (handle.VType != 67108864)
        {
            Throw.InvalidCast();
        }
        return new FieldDefinitionHandle(handle.RowId);
    }
 
    public static bool operator ==(FieldDefinitionHandle left, FieldDefinitionHandle right)
    {
        return left._rowId == right._rowId;
    }
 
    public override bool Equals(object? obj)
    {
        if (obj is FieldDefinitionHandle)
        {
            return ((FieldDefinitionHandle)obj)._rowId == _rowId;
        }
        return false;
    }
 
    public bool Equals(FieldDefinitionHandle other)
    {
        return _rowId == other._rowId;
    }
 
    public override int GetHashCode()
    {
        return _rowId.GetHashCode();
    }
 
    public static bool operator !=(FieldDefinitionHandle left, FieldDefinitionHandle right)
    {
        return left._rowId != right._rowId;
    }
}