#include <iterator_concepts.h>
template<typename _I1, typename _I2, typename _Out, typename _Rel ranges::less, typename _P1 identity, typename _P2 identity>
&& indirect_strict_weak_order<_Rel, projected<_I1, _P1>,
projected<_I2, _P2>>
Requirements on types that can be incremented with ++.
[alg.req.ind.copy], concept indirectly_copyable
[alg.req.mergeable], concept mergeable
[alg.req.mergeable], concept mergeable
Definition at line 924 of file iterator_concepts.h.