ReSharper C++ 2020.3 brings full support for C++20’s changes to comparison semantics.

C++20 Comparisons in ReSharper C++ 2020.3

by Igor Akhmetov

This blog post briefly goes over the language updates to comparisons in C++20 and takes a look at how ReSharper C++ can help you use the new language features.

The post discusses:

• The complexity of pre-C++20 comparisons
• Three-way comparison operator, what is it for
• Operator rewriting rules
• Defaulted comparison operators
• Implicitly generated operator==
• Creating new operators from usage