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std::mergeable(3) C++ Standard Libary std::mergeable(3) NAME std::mergeable - std::mergeable Synopsis Defined in header <iterator> template< class I1, class I2, class Out, class Comp = ranges::less, class Proj1 = std::identity, class Proj2 = std::identity > concept mergeable = std::input_iterator<I1> && std::input_iterator<I2> && std::weakly_incrementable<Out> && (since C++20) std::indirectly_copyable<I1, Out> && std::indirectly_copyable<I2, Out> && std::indirect_strict_weak_order<Comp, std::projected<I1, Proj1>, std::projected<I2, Proj2>>; The mergeable concept specifies the requirements for algorithms that merge two input ranges into a single output range according to the strict weak or- dering imposed by Comp. Semantic requirements mergeable is modeled only if all concepts it subsumes are modeled. See also ranges::merge merges two sorted ranges (C++20) (niebloid) ranges::set_union computes the union of two sets (C++20) (niebloid) ranges::set_intersection computes the intersection of two sets (C++20) (niebloid) ranges::set_difference computes the difference between two sets (C++20) (niebloid) ranges::set_symmetric_difference computes the symmetric difference between two sets (C++20) (niebloid) http://cppreference.com 2022.07.31 std::mergeable(3)
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