What the reasons for/against returning 0 from main in ISO C++?

Question

I know that the C++ standard says that return 0 is inserted at the end of main() if no return statement is given; however, I often see recently-wri

Answer 1

• Makes it clear to other programmers that you didn't just forget to put the return statement there.

• Some compilers may issue a warning if you don't return anything.

• Shows explicitly what the function returns.

• Many programmers don't know about this rule.