std::indirectly_comparable
From cppreference.com
| Defined in header <iterator>
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| template< class I1, class I2, class Comp, class Proj1 = std::identity, class Proj2 = std::identity > |
(since C++20) | |
The concept indirectly_comparable specifies the fundamental algorithm requirement for comparing values across two independent ranges.
Semantic requirements
indirectly_comparable is modeled only if all concepts it subsumes are modeled.
See also
| (C++20) |
specifies that a callable type, when invoked with the result of dereferencing two indirectly_readable types, satisfies predicate (concept) |