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New posts in c++20

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

How can I combine corresponding items from several vectors into a single vector of structs?

c++ c++20 std-ranges

Why is copy assignment of volatile std::atomics allowed?

c++ language-lawyer c++20 stdatomic

Does std::construct_at make an array member of a union active?

c++ language-lawyer c++20

What is the file extension naming convention for c++20 modules?

c++ c++20 c++-modules

Is `std::map<std::string, int>` faster than `std::map<std::string_view, int>`?

c++ c++20 string-view

Why is the overload for both the == and <=> operator required to overload all comparison operators? [duplicate]

c++ c++20 spaceship-operator

Using ranges::copy_if versus using iterator constructor with views::filter

c++ c++20 std-ranges

Find next weekday using chrono

c++ c++20 c++-chrono

Why can std::vector not accept iota_view iterators of type size_t?

c++ iterator c++20 std-ranges

Why does ranges::for_each return the function?

c++ language-lawyer c++20 language-design std-ranges
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