New posts in C++20

[[no_unique_address]] and two member values of the same type

How can I use C++20 std::format?

Designated initializers in C++20

Passing a concept to a function

non-defaulted operator <=> doesn't generate == and != in C++20

What's the relationship between C++ "concept" and duck typing?

How to implement the generalized form of std::same_as (i.e. for more than two type parameters) that is agnostic to parameter order?

Why does same_as concept check type equality twice?

Is compiler allowed to call an immediate (consteval) function during runtime?

How is std::atomic_ref implemented for non-atomic types?