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New posts in c++20

Is it possible to use a dynamic number of range adaptors?

c++ c++20 std-ranges

P0960, Is there any kind of mechanic to detect if there are narrowing in the new aggregates init with ()s in c++20?

c++ c++-standard-library c++20 narrowing

Are there any plans to add "expects" to std::optional?

c++ option-type c++20 preconditions

Implementing a concept for Pair with C++20 concepts

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

How to compare string_view using if-constexpt in a constexpr context

c++ c++20 string-view if-constexpr

What would be an example where std::bit_cast produces a value representation of multiple values?

c++ language-lawyer c++20

Unary fold with empty parameter pack

c++ variadic-templates c++20 fold

How to create a vector of objects that share a concept?

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

Are static constinit member variables identical to non-type template parameters?

c++ language-lawyer c++20

Is it possible to ensure a constexpr function is called at most once at compile time?

c++ c++11 c++14 c++17 c++20

Disable non-templated methods with concepts

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

Is there assign_or_inserter/insert_or_assigner in C++20?

c++ stdmap c++20

What are the advantages of using consteval instead of constexpr function?

c++ constexpr c++20 consteval

Something like `declval` for concepts

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

Why does `std::chrono::weekday` allow but doesn't preserve values outside of valid range?

c++ chrono c++20

Why memory_order_release support until C++20?

c++ c++20 memory-barriers

How to express concepts over variadic template?

c++ tuples variadic-templates c++20 c++-concepts

Any useful difference between std::bit_cast and std::start_lifetime_as?

c++ c++-standard-library c++20 type-punning

How does constexpr new allocate memory?

c++ new-operator constexpr c++20

Idiomatic way to write concept that says that type is a std::vector

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