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std::unorde...emplace_hint(3) C++ Standard Libarystd::unorde...emplace_hint(3) NAME std::unordered_multimap::emplace_hint - std::unordered_multimap::em- place_hint Synopsis template <class... Args> (since C++11) iterator emplace_hint( const_iterator hint, Args&&... args ); Inserts a new element to the container, using hint as a suggestion where the element should go. The element is constructed in-place, i.e. no copy or move operations are performed. The constructor of the element type (value_type, that is, std::pair<const Key, T>) is called with exactly the same arguments as supplied to the func- tion, forwarded with std::forward<Args>(args).... If rehashing occurs due to the insertion, all iterators are invali- dated. Otherwise iterators are not affected. References are not invalidated. Rehash- ing occurs only if the new number of elements is greater than max_load_fac- tor()*bucket_count(). Parameters hint - iterator, used as a suggestion as to where to insert the new element args - arguments to forward to the constructor of the element Return value Returns an iterator to the newly inserted element. Exceptions If an exception is thrown by any operation, this function has no ef- fect (strong exception guarantee). Complexity Amortized constant on average, worst case linear in the size of the container. See also emplace constructs element in-place (C++11) (public member function) inserts elements insert or nodes (C++11) (since C++17) (public member function) http://cppreference.com 2022.07.31 std::unorde...emplace_hint(3)
NAME | Synopsis | Parameters | Return value | Exceptions | Complexity | See also
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