libstdc++: std::predicate Concept Reference

libstdc++

std::predicate Concept Reference

`#include <concepts>`

## Concept definition

template<typename _Fn, typename... _Args>
concept std::predicate = regular_invocable<_Fn, _Args...>
&& __detail::__boolean_testable<invoke_result_t<_Fn, _Args...>>
std::regular_invocable
[concept.regularinvocable], concept regular_invocable
Definition concepts:387
std::predicate
[concept.predicate], concept predicate
Definition concepts:391

## Detailed Description

[concept.predicate], concept predicate

Definition at line 391 of file concepts.