Use of 'const' for function parameters

Question

How far do you go with const? Do you just make functions const when necessary or do you go the whole hog and use it everywhere? For example, imag

Answer 1

I wouldn't put const on parameters like that - everyone already knows that a boolean (as opposed to a boolean&) is constant, so adding it in will make people think "wait, what?" or even that you're passing the parameter by reference.