20 lines
1.1 KiB
Markdown
20 lines
1.1 KiB
Markdown
[alg.req.ind.cmp]
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# 24 Iterators library [[iterators]](./#iterators)
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## 24.3 Iterator requirements [[iterator.requirements]](iterator.requirements#alg.req.ind.cmp)
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### 24.3.7 Common algorithm requirements [[alg.req]](alg.req#ind.cmp)
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#### 24.3.7.5 Concept indirectly_comparable [alg.req.ind.cmp]
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iterators.tex#L2677)
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The [indirectly_comparable](#concept:indirectly_comparable "24.3.7.5 Concept indirectly_comparable [alg.req.ind.cmp]") concept specifies
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the common requirements of algorithms that
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compare values from two different sequences[.](#1.sentence-1)
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template<class I1, class I2, class R, class P1 = identity, class P2 = identity>concept [indirectly_comparable](#concept:indirectly_comparable "24.3.7.5 Concept indirectly_comparable [alg.req.ind.cmp]") =[indirect_binary_predicate](indirectcallable.indirectinvocable#concept:indirect_binary_predicate "24.3.6.3 Indirect callables [indirectcallable.indirectinvocable]")<R, projected<I1, P1>, projected<I2, P2>>;
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