internal static UnaryOperatorSymbol UserDefinedUnaryOperator(UnaryOperatorKind kind, ref Expr expr, BindOptions options)
{
var name = UnaryOperatorSymbol.OperatorName(kind);
if (name != null)
{
MethodSymbol mop = null;
ConversionSymbol conv = null;
ResolveUserDefinedUnaryOperator(expr, expr.Datatype.Lookup(name), ref mop, ref conv, options);
if (mop != null)
{
var op = UnaryOperatorSymbol.Create(kind, mop, conv);
ApplyUnaryOperator(ref expr, op);
return(op);
}
}
return(null);
}
