Is there a downside to declaring variables with auto in C++?

Question

It seems that auto was a fairly significant feature to be added in C++11 that seems to follow a lot of the newer languages. As with a language like Python, I ha

Answer 1

One of the drawbacks is that sometimes you can't declare const_iterator with auto. You will get ordinary (non const) iterator in this example of code taken from this question:

map usa;
//...init usa
auto city_it = usa.find("New York");