protected override string VisitUnary(Unary U)
{
int pr = Parser.Precedence(U.Operator);
return(Unary.ToStringPrefix(U.Operator)
+ Visit(U.Operand, pr)
+ Unary.ToStringPostfix(U.Operator));
}
protected override PrettyString VisitUnary(Unary U)
{
return(PrettyString.ConcatColumns(Unary.ToStringPrefix(U.Operator), Visit(U.Operand), Unary.ToStringPostfix(U.Operator)));
}