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std::list::insert_range(3) C++ Standard Libary std::list::insert_range(3) NAME std::list::insert_range - std::list::insert_range Synopsis template< container-compatible-range<T> R > (since C++23) iterator insert_range( const_iterator pos, R&& rg ); Inserts, in non-reversing order, copies of elements in rg before pos. No iterators or references are invalidated. Each iterator in the range rg is dereferenced exactly once. The behavior is undefined if rg overlaps with the container. Parameters pos - iterator before which the content will be inserted (pos may be the end() iterator) rg - a container compatible range, that is, an input_range whose elements are convertible to T Type requirements - T must be EmplaceConstructible into list from *ranges::begin(rg). Otherwise, the behavior is undefined. Return value An iterator that points at the copy of the first element inserted into list or at pos if rg is empty. Notes Feature-test macro Value Std Feature __cpp_lib_containers_ranges 202202L (C++23) Ranges-aware construc- tion and insertion Example // Run this code #include <algorithm> #include <cassert> #include <iterator> #include <list> #include <vector> int main() { auto container = std::list{1, 2, 3, 4}; auto pos = std::next(container.begin(), 2); assert(*pos == 3); const auto rg = std::vector{-1, -2, -3}; #ifdef __cpp_lib_containers_ranges container.insert_range(pos, rg); #else container.insert(pos, rg.cbegin(), rg.cend()); #endif assert(std::ranges::equal(container, std::list{1, 2, -1, -2, -3, 3, 4})); } See also insert inserts elements (public member function) prepend_range adds a range of elements to the beginning (C++23) (public member function) append_range adds a range of elements to the end (C++23) (public member function) http://cppreference.com 2024.06.10 std::list::insert_range(3)
NAME | Synopsis | Parameters | Type requirements | Return value | Notes | Example | See also
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