Sep 7, 2024 · Most concepts in the standard library impose both syntactic and semantic requirements. It is said that a standard concept is satisfied if its syntactic requirements are …

Nov 28, 2024 · C++20 is a major version after C++17, featuring major features (concepts, modules, coroutines, and ranges) and other language and library features.

Nov 27, 2023 · (concept) regular (C++20) specifies that a type is regular, that is, it is both semiregular and equality_comparable (concept) Callable concepts : invocable …

Mar 15, 2025 · Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/keyword/concept&oldid=181940"

Nov 24, 2024 · The concept integral < T > is satisfied if and only if T is an integral type. Example. Run this code. #include <concepts> #include <iostream> void print ...

Nov 24, 2024 · concept regular = std:: semiregular < T > && std:: equality_comparable < T >; (since C++20) The regular concept specifies that a type is regular, that is, it is copyable, …

Nov 24, 2024 · The concept same_as<T, U> is satisfied if and only if T and U denote the same type. std :: same_as < T, U > subsumes std :: same_as < U, T > and vice versa. Contents

Nov 24, 2024 · The constructible_from concept specifies that a variable of type T can be initialized with the given set of argument types Args.... References. C++23 standard (ISO/IEC …

Nov 24, 2024 · 2) The concept std::totally_ordered_with specifies that the comparison operators ==,!=,<,>,<=,>= on (possibly mixed) T and U operands yield results consistent with a strict …

Apr 16, 2025 · The intent of concepts is to model semantic categories (Number, Range, RegularFunction) rather than syntactic restrictions (HasPlus, Array). According to ISO C++ …