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New posts in c++20
Why does std::filter_view not have a way to eagerly evaluate it and convert it to view whose begin in const?
Mar 26, 2026
c++
c++20
std-ranges
Given the year, how do I compute when Easter is, using chrono
Mar 25, 2026
c++
c++20
c++-chrono
Why can't I pass a std::views::join by const reference?
Mar 22, 2026
c++
c++20
std-ranges
Illegal use of lambda expression inside of requires-clause?
Mar 22, 2026
c++
c++20
Why immediate functions are not noexcept by default and why are they allowed to be noexcept(false)?
Mar 21, 2026
c++
c++20
noexcept
consteval
VS 2022. Why my Intellisence does not work when using C++ 20 modules?
Mar 20, 2026
c++
visual-studio
intellisense
c++20
Should warnings about missing typename supressed in c++20?
Mar 20, 2026
c++
c++20
compiler-warnings
Why there is no std::numbers::sqrtpi_v?
Mar 20, 2026
c++
numbers
c++20
language-design
explicit specialization with concepts
Mar 19, 2026
c++
c++20
c++-concepts
Is the ordering of std::recursive_directory_iterator specified?
Mar 20, 2026
c++
c++17
c++20
std-filesystem
What is the idiomatic way to create a U to V mapper function template in C++?
Mar 20, 2026
c++
templates
functional-programming
c++17
c++20
What would the downsides be of using [[no_unique_address]] all over the place?
Mar 18, 2026
c++
language-lawyer
c++20
padding
abi
Why does bit cast require both types to be trivially-copyable?
Mar 18, 2026
c++
c++20
memcpy
type-punning
bit-cast
Why is designated initialization accepted by gcc with no effect, and generated aggregate is somehow passed as arguments to class constructor
Mar 17, 2026
c++
gcc
c++20
designated-initializer
Correct use of std::variant and std::visit when functor requires multiple arguments
Mar 18, 2026
c++
c++20
variant
function with deduced return type cannot be used before it is defined
Mar 17, 2026
c++
language-lawyer
c++20
Is template metaprogramming fully able to be substituted in C++20?
Mar 17, 2026
c++
templates
c++20
template-meta-programming
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