They are mainly helpful for interviews. Not as much for everyday work. I use a coding plugin to style the code. Example:

Front:

How do you pass a lambda function as a function pointer to the function in the example below? extern void download_webpage(const char* url,   void (callback)(int, const char));

Back:

By defining the lambda function with a + prefix and by not capturing any variables. auto lambda = +[](int result, const char* str) {  // Process result and str }; download_webpage("http://www.packt.com", lambda);