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New posts in c++20
Piecewise initialisation of std::array
Jan 25, 2026
c++
c++20
stdarray
Why is a class trivially copyable with all private special member functions? [duplicate]
Jan 25, 2026
c++
language-lawyer
c++20
trivially-copyable
How to apply a concept to a trailing return type
Jan 25, 2026
c++
templates
c++20
c++-concepts
trailing-return-type
Does std::set work correctly with a type that compares as std::partial_ordering?
Jan 25, 2026
c++
set
c++20
spaceship-operator
partial-ordering
C++ 20: trying to return std::ranges::view from a function
Jan 24, 2026
c++
c++20
std-ranges
implicit object creation by unsigned char[] - Is it legal to reinterpret_cast to implicit object? (P0593)
Jan 24, 2026
c++
language-lawyer
c++20
Can't compare two ranges
Jan 23, 2026
c++
c++20
missing `typename` in gcc 11.1.0 ranges header
Jan 22, 2026
c++
c++20
libstdc++
std-ranges
How to use concepts to pass an argument to a class method?
Jan 21, 2026
c++
c++20
c++-concepts
c++-templates
requires clause for a non-template member function in a template class
Jan 20, 2026
c++
visual-studio
templates
c++20
requires-clause
C++20: How to wait on an atomic object with timeout?
Jan 21, 2026
c++
timeout
atomic
semaphore
c++20
`requires` expression is evaluated to false in a nested template, but code is still compiled
Jan 21, 2026
c++
language-lawyer
c++20
requires-clause
Why can't a placement-new expression be a constant expression?
Jan 21, 2026
c++
c++20
placement-new
constant-expression
warning: operator delete called on unallocated object
Jan 20, 2026
c++
c++17
c++20
delete-operator
What is the reason for std::memcpy not being constexpr even in C++20?
Jan 19, 2026
c++
constexpr
c++20
Using C-style arrays in std::vector - MSVC bug?
Jan 03, 2026
c++
visual-c++
language-lawyer
c++20
How does overload resolution select from multiple prospective destructors?
Jan 02, 2026
c++
language-lawyer
c++20
c++-concepts
overload-resolution
What is the difference between using a Concept directly instead of `typename`, versus using the `requires` keyword? Or is it just a matter of style?
Jan 03, 2026
c++
templates
c++20
c++-concepts
c++-templates
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