std::indire...ry_predicate(3) C++ Standard Libary std::indire...ry_predicate(3) NAME std::indirect_unary_predicate - std::indirect_unary_predicate Synopsis Defined in header <iterator> template< class F, class I > concept indirect_unary_predicate = std::indirectly_readable<I> && std::copy_constructible<F> && (since C++20) std::predicate<F&, std::iter_value_t<I>&> && std::predicate<F&, std::iter_reference_t<I>> && std::predicate<F&, std::iter_common_reference_t<I>>; The concept indirect_unary_predicate specifies requirements for algo- rithms that call unary predicates as their arguments. The key difference between this concept and std::predicate is that it is applied to the type that I references, rather than I itself. Semantic requirements F and I model indirect_unary_predicate only if all concepts it subsumes are modeled. http://cppreference.com 2024.06.10 std::indire...ry_predicate(3)
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