std::indire...ce_relation(3) C++ Standard Libary std::indire...ce_relation(3) NAME std::indirect_equivalence_relation - std::indirect_equivalence_relation Synopsis Defined in header <iterator> template< class F, class I1, class I2 = I1 > concept indirect_equivalence_relation = std::indirectly_readable<I1> && std::indirectly_readable<I2> && std::copy_constructible<F> && std::equivalence_relation<F&, std::iter_value_t<I1>&, std::iter_value_t<I2>&> && std::equivalence_relation<F&, std::iter_value_t<I1>&, (since C++20) std::iter_reference_t<I2>> && std::equivalence_relation<F&, std::iter_reference_t<I1>, std::iter_value_t<I2>&> && std::equivalence_relation<F&, std::iter_reference_t<I1>, std::iter_reference_t<I2>> && std::equivalence_relation<F&, std::iter_common_reference_t<I1>, std::iter_common_reference_t<I2>>; The concept indirect_equivalence_relation specifies requirements for al- gorithms that call equivalence relations as their arguments. The key difference be- tween this concept and std::equivalence_relation is that it is applied to the types that I1 and I2 references, rather than I1 and I2 themselves. Semantic requirements F, I1, and I2 model indirect_equivalence_relation only if all concepts it subsumes are modeled. http://cppreference.com 2024.06.10 std::indire...ce_relation(3)
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