well i, did that:
use overload
'+' => \&add,
'-' => \&sub,
'*' => \&mul;
so, i'm able to build a expression that uses +, - and * .
Now, i want to be able to detect when the user uses parenthesis as shown above. I know that overload does not support parenthesis, but i hope that somebody has a idea how i can detect those parenthesis.
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