Even if you don't trust the previous author, you can still use your "go to definition" shortcut and see the real thing: who is it who is coding one file at a time?
You shouldn't be considering the implementation details every time you want calculate the circumference. Even that pi is involved is WAY more information than the caller needs to know. And if you are debugging you need to know where to look for the answer, not the answer itself.
You shouldn't be considering the implementation details every time you want calculate the circumference. Even that pi is involved is WAY more information than the caller needs to know. And if you are debugging you need to know where to look for the answer, not the answer itself.