[alg.req.permutable]

# 24 Iterators library [[iterators]](./#iterators)

## 24.3 Iterator requirements [[iterator.requirements]](iterator.requirements#alg.req.permutable)

### 24.3.7 Common algorithm requirements [[alg.req]](alg.req#permutable)

#### 24.3.7.6 Concept permutable [alg.req.permutable]

[1](#1)

[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iterators.tex#L2691)

The [permutable](#concept:permutable "24.3.7.6 Concept permutable [alg.req.permutable]") concept specifies the common requirements
of algorithms that reorder elements in place by moving or swapping them[.](#1.sentence-1)

template<class I>concept [permutable](#concept:permutable "24.3.7.6 Concept permutable [alg.req.permutable]") =[forward_iterator](iterator.concept.forward#concept:forward_iterator "24.3.4.11 Concept forward_­iterator [iterator.concept.forward]")<I> &&[indirectly_movable_storable](alg.req.ind.move#concept:indirectly_movable_storable "24.3.7.2 Concept indirectly_­movable [alg.req.ind.move]")<I, I> &&[indirectly_swappable](alg.req.ind.swap#concept:indirectly_swappable "24.3.7.4 Concept indirectly_­swappable [alg.req.ind.swap]")<I, I>;