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Range concepts | ||||||||||||||||||||||||||||||||||
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Range factories | |||||||||
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Range adaptors | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Helper items | |||||||||||||||||
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Defined in header <ranges> | ||
template<class T> concept bidirectional_range= | (since C++20) | |
Thebidirectional_range
concept is a refinement ofrange
for whichranges::begin returns a model ofbidirectional_iterator
.
#include <forward_list>#include <list>#include <ranges>#include <set>#include <unordered_set> int main(){ static_assert( std::ranges::bidirectional_range<std::set<int>> and not std::ranges::bidirectional_range<std::unordered_set<int>> and std::ranges::bidirectional_range<std::list<int>> and not std::ranges::bidirectional_range<std::forward_list<int>>);}
(C++20) | specifies a range whose iterator type satisfiesforward_iterator (concept)[edit] |
(C++20) | specifies a range whose iterator type satisfiesrandom_access_iterator (concept)[edit] |