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New posts in c++20
How to get correct length of std::u8string in C++?
Dec 17, 2025
c++
string
unicode
c++20
What does the To[1] mean in the concept is_convertible_without_narrowing?
Dec 15, 2025
c++
c++20
c++-concepts
what is the way to remove the first element from a std::span<T>?
Dec 15, 2025
c++
templates
c++20
string-view
std-span
Requires compile with msvc but rejected by gcc
Dec 16, 2025
c++
constraints
language-lawyer
c++20
requires-clause
Why can T not be deduced for std::span<T> when passing a std::vector?
Dec 14, 2025
c++
templates
c++20
template-argument-deduction
std-span
What is the most efficent way to convert a QStringView to a std::string?
Dec 14, 2025
c++
qt
c++20
stdstring
qt6
How to make ranges::binary_search (heterogeneous search in particualar) work with references
Dec 15, 2025
c++
c++20
std-ranges
Clang rejects inexplicit enum value in constexpr function (gcc works)
Dec 12, 2025
c++
language-lawyer
c++20
Can't import both sstream and iostream in C++20?
Dec 12, 2025
c++
c++20
iostream
sstream
C++17 operator==() and operator!=() code fails with C++20
Dec 10, 2025
c++
c++17
operator-overloading
c++20
Converting a pointer value that is returned from a malloc operation that creates an array object to the element type results in UB?
Dec 11, 2025
c++
language-lawyer
c++20
Change clang default c++-version (mode)
Dec 11, 2025
c++
macos
clang
c++20
C++20 set for intellisense in vscode but __cplusplus does not
Dec 11, 2025
c++
windows
c++20
vscode-extensions
intellisense
How can a sprintf-like function in C++20/23 verify that the number of format specifiers matches the number of provided arguments at compile time?
Dec 11, 2025
c++
c++20
constexpr
c++23
consteval
`using` inside a namespace in C++ module is not limited to the namespace
Dec 10, 2025
c++
c++20
c++-modules
Can a class be indestructible (have no destructor)?
Dec 10, 2025
c++
language-lawyer
c++20
How to safely clock_cast days?
Dec 10, 2025
c++
c++20
c++-chrono
Whose responsibility is it to destroy a C++20 coroutine that throws from its initial suspend?
Dec 10, 2025
c++
language-lawyer
c++20
coroutine
c++-coroutine
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