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Exit Zen

218 :939

	English If `nh` is not empty, inserts the associated element in the container if and only if there is no element in the container with a key equivalent to `nh.key()`. `nh` is empty when the function returns. 199/10000 · 199
219 :943

	English Returns:;; An `insert_return_type` object constructed from `position`, `inserted` and `node`: + 95/10000 · 95
220 :944

	English If `nh` is empty, `inserted` is `false`, `position` is `end()`, and `node` is empty. 84/10000 · 84
221 :945

	English Otherwise if the insertion took place, `inserted` is true, `position` points to the inserted element, and `node` is empty. 122/10000 · 122
222 :946

	English If the insertion failed, `inserted` is false, `node` has the previous value of `nh`, and `position` points to an element with a key equivalent to `nh.key()`. 157/10000 · 157
223 :947

	English Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Behavior is undefined if `nh` is not empty and the allocators of `nh` and the container are not equal. 221/10000 · 221
:950 :950

	English --- 3/10000 · 3
225 :952

	English Insert Node with Hint 21/10000 · 21
226 :953

	English ```c++ iterator insert(const_iterator hint, node_type&& nh); ``` 64/10000 · 64
227 :957

	English If `nh` is not empty, inserts the associated element in the container if and only if there is no element in the container with a key equivalent to `nh.key()`. `nh` becomes empty if insertion took place, otherwise it is not changed. 231/10000 · 231
:960 :960

	English `hint` is a suggestion to where the element should be inserted. This implementation ignores it. 95/10000 · 95
229 :963

	English Returns:;; The iterator returned is `end()` if `nh` is empty. If insertion took place, then the iterator points to the newly inserted element; otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; Behavior is undefined if `nh` is not empty and the allocators of `nh` and the container are not equal. 421/10000 · 421
:968 :968

	English --- 3/10000 · 3
231 :970

	English try_emplace 11/10000 · 11
232 :971

	English ```c++ template<class... Args> std::pair<iterator, bool> try_emplace(const key_type& k, Args&&... args); template<class... Args> std::pair<iterator, bool> try_emplace(key_type&& k, Args&&... args); template<class K, class... Args> std::pair<iterator, bool> try_emplace(K&& k, Args&&... args); ``` 296/10000 · 296
:980 :980

	English Inserts a new element into the container if there is no existing element with key `k` contained within it. 106/10000 · 106
:982 :982

	English If there is an existing element with key `k` this function does nothing. 72/10000 · 72
235 :985

	English Returns:;; The `bool` component of the return type is `true` if an insert took place. + + If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Throws:;; If an exception is thrown by an operation other than a call to `hasher` the function has no effect. Notes:;; This function is similiar to xref:#unordered_node_map_emplace[emplace], with the difference that no `value_type` is constructed if there is an element with an equivalent key; otherwise, the construction is of the form: + + -- ```c++ 579/10000 · 579
:995 :995

	English value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<Key>(k)), std::forward_as_tuple(std::forward<Args>(args)...)) 133/10000 · 133
:1000 :1000

	English value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<K>(k)), std::forward_as_tuple(std::forward<Args>(args)...)) ``` 135/10000 · 135

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