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New posts in c++20

Three-way comparison operator with inconsistent ordering deduction

c++ qt c++20 return-type-deduction spaceship-operator

Why does std::span overload the function call operator for indexing?

c++ c++20

Why does a consteval function allow undefined behavior?

c++ undefined-behavior c++20 consteval

how to use c++20 in cmake project

c++ cmake format c++20

Do we really need to implicitly convert ranges adaptors to bool?

c++ c++20 std-ranges

Why is the std::derived_from concept implemented with an additional convertibility test that adds cv-qualifiers?

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

How to flatten the nested std::optional?

c++ c++20 stdoptional

Why does C++'s async/await not need an event loop?

c++ asynchronous coroutine c++20

Why can't a const mutable lambda with an auto& parameter be invoked?

c++ lambda c++20 typetraits static-assert

Convert between std::u8string and std::string

c++ unicode utf-8 c++20

What is C++20's string literal operator template?

c++ c++20 user-defined-literals

Is the three-way comparison operator always efficient?

c++ operators c++20 spaceship-operator

C++20 comparison: warning about ambiguous reversed operator

c++ c++20

Specific use case of to_address

c++ c++20 address-operator

How can a conforming C++ implementation indicate that it doesn't know the current date and time?

c++ time language-lawyer chrono c++20

Why does C++ not know to do an implicit move in the return when the variable is used in an initializer list?

c++ move-semantics c++20

Will specialization of function templates in std for program-defined types no longer be allowed in C++20?

c++ std template-specialization function-templates c++20

Calling non-static member function outside of object's lifetime in C++17

c++ language-lawyer c++17 c++20 order-of-execution

Why does "&& true" added to a constraint make a function template a better overload?

c++ language-lawyer c++20 c++-concepts

Designated initializers in C++20

c++ aggregate c++20 designated-initializer
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