std::sortable

 

C++

Compiler support

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Named requirements

Feature test macros (C++20)

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Concepts library (C++20)

Diagnostics library

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Metaprogramming library (C++11)

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Iterators library

Ranges library (C++20)

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Iterator library

Iterator concepts
indirectly_readable (C++20) indirectly_writable (C++20) weakly_incrementable (C++20) incrementable (C++20) is-integer-like is-signed-integer-like (C++20)(C++20)	sentinel_for (C++20) sized_sentinel_for (C++20) input_iterator (C++20) output_iterator (C++20) input_or_output_iterator (C++20)	forward_iterator (C++20) bidirectional_iterator (C++20) random_access_iterator (C++20) contiguous_iterator (C++20)
Iterator primitives
input_iterator_tagoutput_iterator_tagforward_iterator_tagbidirectional_iterator_tagrandom_access_iterator_tagcontiguous_iterator_tag (C++20)	iter_value_titer_difference_titer_reference_titer_const_reference_titer_rvalue_reference_titer_common_reference_t (C++20)(C++20)(C++20)(C++23)(C++20)(C++20)	iterator (deprecated in C++17) iterator_traits incrementable_traits (C++20) indirectly_readable_traits (C++20)
Algorithm concepts and utilities
Indirect callable concepts
indirectly_unary_invocableindirectly_regular_unary_invocable (C++20)(C++20)	indirect_unary_predicate (C++20) indirect_binary_predicate (C++20)	indirect_equivalence_relation (C++20) indirect_strict_weak_order (C++20)
Common algorithm requirements
indirectly_movable (C++20) indirectly_movable_storable (C++20) indirectly_copyable (C++20)	indirectly_copyable_storable (C++20)   indirectly_swappable (C++20) indirectly_comparable (C++20)	permutable (C++20) mergeable (C++20) sortable (C++20)
Utilities
indirect_result_t (C++20)	projected (C++20)	projected_value_t (C++26)
Iterator adaptors
reverse_iterator make_reverse_iterator (C++14) move_iterator (C++11) make_move_iterator (C++11) default_sentinel_tdefault_sentinel (C++20)(C++20) unreachable_sentinel_tunreachable_sentinel (C++20)(C++20)	front_insert_iterator back_insert_iterator inserter insert_iterator front_inserter back_inserter move_sentinel (C++20)	common_iterator (C++20) counted_iterator (C++20) basic_const_iterator (C++23) const_iterator (C++23) const_sentinel (C++23) make_const_iterator (C++23) make_const_sentinel (C++23)
Stream iterators istream_iterator    ostream_iterator istreambuf_iterator ostreambuf_iterator	Iterator customization points ranges::iter_move (C++20) ranges::iter_swap (C++20)
Iterator operations advance distance prev (C++11)   next (C++11) ranges::advance (C++20) ranges::distance (C++20) ranges::prev (C++20) ranges::next (C++20)	Range access begincbegin (C++11)(C++14) rbegincrbegin (C++14)(C++14)   endcend (C++11)(C++14) rendcrend (C++14)(C++14)   sizessize (C++17)(C++20) empty (C++17) data (C++17)

 

Defined in header <iterator>
template< class I, class Comp = ranges::less, class Proj = std::identity > concept sortable =     std::permutable<I> &&     std::indirect_strict_weak_order<Comp, std::projected<I, Proj>>;		(since C++20)

The sortable concept specifies the requirements for algorithms that permute a range into an ordered range according to Comp.

Semantic requirements

std::sortable<I, Comp, Proj> is modeled only if all concepts it subsumes are modeled.

See also

ranges::sort (C++20)	sorts a range into ascending order (algorithm function object)
ranges::stable_sort (C++20)	sorts a range of elements while preserving order between equal elements (algorithm function object)
ranges::partial_sort (C++20)	sorts the first N elements of a range (algorithm function object)
ranges::nth_element (C++20)	partially sorts the given range making sure that it is partitioned by the given element (algorithm function object)
ranges::inplace_merge (C++20)	merges two ordered ranges in-place (algorithm function object)
ranges::push_heap (C++20)	adds an element to a max heap (algorithm function object)
ranges::pop_heap (C++20)	removes the largest element from a max heap (algorithm function object)
ranges::make_heap (C++20)	creates a max heap out of a range of elements (algorithm function object)
ranges::sort_heap (C++20)	turns a max heap into a range of elements sorted in ascending order (algorithm function object)
ranges::next_permutation (C++20)	generates the next greater lexicographic permutation of a range of elements (algorithm function object)
ranges::prev_permutation (C++20)	generates the next smaller lexicographic permutation of a range of elements (algorithm function object)

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