public override Calculator_Expression Optimize()
{
_expr = _expr.Optimize();
return(_expr._token.Type == TKTYPE.LITERAL
? new Calculator_Expression(this.Evaluate(null))
: this);
}
public override Calculator_Expression Optimize()
{
_lft = _lft.Optimize();
_rgt = _rgt.Optimize();
return(_lft._token.Type == TKTYPE.LITERAL && _rgt._token.Type == TKTYPE.LITERAL
? new Calculator_Expression(this.Evaluate(null))
: this);
}