Example #1
0
        Expression LiftOperand(ResolveContext rc, Expression expr)
        {
            TypeSpec type;
            if (expr.IsNull) {
                type = Left.IsNull ? Right.Type : Left.Type;
            } else {
                type = expr.Type;
            }

            if (!type.IsNullableType)
                type = NullableInfo.MakeType (rc.Module, type);

            return Wrap.Create (expr, type);
        }