[quazar]

There is no easy way. You must work through https://en.cppreference.com/w/

[legalcorrection]

This is such bad advice that I think it's a joke. You don't read the reference to learn a language.

[the_only_law]

My guess is it’s a quasi-joke, but it’s not uncommon a suggestion with say C.

In this case though, I can count how many jokes about “I’ve been writing C++ for 10 years when do I finally learn it”.

[sptth]

f****!

:')