Passing argument to a function

Question

Is it a bad programming principle to pass arg to a function which isn't "exact match" type wise but has trivial or user defined conversion to this type? For example:

void f(bool option);

and later in main (this is highly hypothetical so please don't give advise on that code):

int a = getSomeValue();

f(a);//here instead of bool I'm passing int - is it a bad programming practice or not?

Answer 1

I think most people will consider this bad practice. Writing f(a !=0) is much clearer and expresses the intent concisely.