std::experimental::ranges::Mergeable

< 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 =
  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>

  >;
 (范围 TS)

Mergeable 概念指定通过复制元素，归并排序序列到输出序列中的算法（例如 ranges::merge ）的常用要求。