c++11 foreach syntax and custom iterator

Question

I am writing an iterator for a container which is being used in place of a STL container. Currently the STL container is being used in many places with the c++11 foreach syn

Answer 1

You have two choices:

• you provide member functions named begin and end that can be called like C.begin() and C.end();
• otherwise, you provide free functions named begin and end that can be found using argument-dependent lookup, or in namespace std, and can be called like begin(C) and end(C).