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std::unorde...et::emplace(3) C++ Standard Libary std::unorde...et::emplace(3) NAME std::unordered_multiset::emplace - std::unordered_multiset::emplace Synopsis template< class... Args > (since C++11) iterator emplace( Args&&... args ); Inserts a new element into the container constructed in-place with the given args . Careful use of emplace allows the new element to be constructed while avoiding unnecessary copy or move operations. The constructor of the new ele- ment is called with exactly the same arguments as supplied to emplace, forwarded via 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 args - arguments to forward to the constructor of the element Return value Returns an iterator to the 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. Example This section is incomplete Reason: no example See also emplace_hint constructs elements in-place using a hint (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...et::emplace(3)
NAME | Synopsis | Parameters | Return value | Exceptions | Complexity | Example | See also
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