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# std::experimental::ranges::Mergeable

From cppreference.com
< cpp‎ | experimental‎ | ranges

template < class I1, class I2, class Out, class R = ranges::less<>, class P1 = ranges::identity, class P2 = ranges::identity > concept bool Mergeable() { return ranges::InputIterator<I1>() && ranges::InputIterator<I2>() && ranges::WeaklyIncrementable<Out>() && ranges::IndirectlyCopyable<I1, Out>() && ranges::IndirectlyCopyable<I2, Out>() && ranges::IndirectStrictWeakOrder<R, ranges::projected<I1, P1>, ranges::projected<I2, P2>>(); } |  | (ranges TS)

The `Mergeable` concept specifies the common requirements of algorithms that merge sorted sequences into an output sequence by copying the elements (for example, `ranges::merge`).

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