Char to Operator C++
27,137
Solution 1
SImple way is to use a switch statement
switch (op)
{
case '+':
res = x + y;
break;
case '-':
res = x - y;
break;
case '*':
res = x * y;
break;
}
Solution 2
I don't think there's a way as you've written it there but you could do something hacky like
int do_op(char op, int a, int b)
{
switch(op)
{
case '+':
return a+b;
break;
case '-':
return a-b;
break;
case '*':
return a*b;
break;
case '/':
return a/b;
break;
default:
throw std::runtime_error("unknown op")
}
}
Comments
-
wzsun over 1 year
Hey I wanted to know how you could turn a character '+' into an operator. For example if I had
char op = '+' cout << 6 op 1;
Thanks.