Question

Which is best for coding the standard library for c++?

(a) no trailing underscores on names

(b) complex objects are returned by value

(c) have a member-swap()

(d) all of the mentioned

I had been asked this question at a job interview.

My enquiry is from Standard Library Design topic in division Class Hierarchies, Library & Containers of C++

Answer 1

Right choice is (d) all of the mentioned

The best explanation: Best coding for the standard library for c++ is:

-> No trailing underscores on names

-> Complex objects are returned by value

-> It should have a member-swap().