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New posts in c++20

Is there a workaround for template template arguments being invisible?

c++ c++20 template-templates

ranges::sort does not compile

c++ operator-overloading c++20 std-ranges

The current state of reflection in C++20

c++ reflection metaprogramming c++20 std

Why is this concept true even though the expression used for checking does not compile?

c++ c++20 c++-concepts

Did C++20 change to allow conversion from array-of-known-bound `type(&)[N]` to array-of-unknown-bound `type(&)[]`?

c++ c++20 standards

CMAKE_CXX_STANDARD vs target_compile_features?

c++ cmake c++20

What does the vertical pipe | mean in the context of c++20 and ranges?

c++ c++20 std-ranges bitwise-or

Default equality operator for an empty union

c++ language-lawyer c++20 union comparison-operators

Efficient way to iterate over each key exactly once in unordered_multimap

c++ multimap c++20 unordered-multimap

Why in particular should I rather pass a std::span than a std::vector& to a function?

c++ vector c++20 std-span

Range concept for a specific type

c++ c++20 c++-concepts std-ranges

Why does `std::format` require its arguments are aligned?

c++ compiler-errors format alignment c++20

Any way to have an Implicit Lifetime Type with a user defined constructor?

c++ language-lawyer c++20 lifetime c++23

How to recover offset in buffer of emplaced object from object pointer

c++ language-lawyer c++20

What does integer-class type mean in C++ since integer is a built in type

c++ types c++20

Is it UB to keep a pointer to a destroyed object and then use it to access re-created objects, possibly pointing to the first subobject?

c++ c++20 object-lifetime

Why does std::set::contains() call the spaceship operator twice on a target element?

c++ c++20 spaceship-operator

Why setting a value of global array has impact on executable file?

c++ g++ c++20
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