18 Concepts library [concepts]

18.3 Header <concepts> synopsis [concepts.syn]

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// all freestanding namespace std { // [concepts.lang], language-related concepts // [concept.same], concept same_as template<class T, class U> concept same_as = see below; // [concept.derived], concept derived_from template<class Derived, class Base> concept derived_from = see below; // [concept.convertible], concept convertible_to template<class From, class To> concept convertible_to = see below; // [concept.commonref], concept common_reference_with template<class T, class U> concept common_reference_with = see below; // [concept.common], concept common_with template<class T, class U> concept common_with = see below; // [concepts.arithmetic], arithmetic concepts template<class T> concept integral = see below; template<class T> concept signed_integral = see below; template<class T> concept unsigned_integral = see below; template<class T> concept floating_point = see below; // [concept.assignable], concept assignable_from template<class LHS, class RHS> concept assignable_from = see below; // [concept.swappable], concept swappable namespace ranges { inline namespace unspecified { inline constexpr unspecified swap = unspecified; } } template<class T> concept swappable = see below; template<class T, class U> concept swappable_with = see below; // [concept.destructible], concept destructible template<class T> concept destructible = see below; // [concept.constructible], concept constructible_from template<class T, class... Args> concept constructible_from = see below; // [concept.default.init], concept default_initializable template<class T> concept default_initializable = see below; // [concept.moveconstructible], concept move_constructible template<class T> concept move_constructible = see below; // [concept.copyconstructible], concept copy_constructible template<class T> concept copy_constructible = see below; // [concepts.compare], comparison concepts // [concept.equalitycomparable], concept equality_comparable template<class T> concept equality_comparable = see below; template<class T, class U> concept equality_comparable_with = see below; // [concept.totallyordered], concept totally_ordered template<class T> concept totally_ordered = see below; template<class T, class U> concept totally_ordered_with = see below; // [concepts.object], object concepts template<class T> concept movable = see below; template<class T> concept copyable = see below; template<class T> concept semiregular = see below; template<class T> concept regular = see below; // [concepts.callable], callable concepts // [concept.invocable], concept invocable template<class F, class... Args> concept invocable = see below; // [concept.regularinvocable], concept regular_invocable template<class F, class... Args> concept regular_invocable = see below; // [concept.predicate], concept predicate template<class F, class... Args> concept predicate = see below; // [concept.relation], concept relation template<class R, class T, class U> concept relation = see below; // [concept.equiv], concept equivalence_relation template<class R, class T, class U> concept equivalence_relation = see below; // [concept.strictweakorder], concept strict_weak_order template<class R, class T, class U> concept strict_weak_order = see below; }