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304 :1324

	English try_emplace_and_[c]visit 24/10000 · 24
305 :1325

	English ```c++ template<class... Args, class F1, class F2> bool try_emplace_and_visit(const key_type& k, Args&&... args, F1&& f1, F2&& f2); template<class... Args, class F1, class F2> bool try_emplace_and_cvisit(const key_type& k, Args&&... args, F1&& f1, F2&& f2); template<class... Args, class F1, class F2> bool try_emplace_and_visit(key_type&& k, Args&&... args, F1&& f1, F2&& f2); template<class... Args, class F1, class F2> bool try_emplace_and_cvisit(key_type&& k, Args&&... args, F1&& f1, F2&& f2); template<class K, class... Args, class F1, class F2> bool try_emplace_and_visit(K&& k, Args&&... args, F1&& f1, F2&& f2); template<class K, class... Args, class F1, class F2> bool try_emplace_and_cvisit(K&& k, Args&&... args, F1&& f1, F2&& f2); ``` 747/10000 · 747
306 :1340

	English Inserts an element constructed from `k` and `args` into the table if there is no existing element with key `k` contained within it, and then invokes `f1` with a non-const reference to the newly created element. Otherwise, invokes `f2` with a reference to the equivalent element; such reference is const iff a `*_cvisit` overload is used. 337/10000 · 337
:1345 :1345

	English Returns:;; `true` if an insert took place. + Concurrency:;; Blocking on rehashing of `*this`. Notes:;; No `value_type` is constructed if there is an element with an equivalent key; otherwise, the construction is of the form: + + -- ```c++ 238/10000 · 238
:1353 :1353

	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
:1358 :1358

	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
:1363 :1363

	English Invalidates pointers and references to elements if a rehashing is issued. 73/10000 · 73
311 :1365

	English The interface is exposition only, as C++ does not allow to declare parameters `f1` and `f2` after a variadic parameter pack. 124/10000 · 124
312 :1367

	English The `template<class K, class\... Args, class F1, class F2>` overloads only participate in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. The library assumes that `Hash` is callable with both `K` and `Key` and that `Pred` is transparent. This enables heterogeneous lookup which avoids the cost of instantiating an instance of the `Key` type. 393/10000 · 393
:1369 :1369

	English -- 2/10000 · 2
:1371 :1371

	English --- 3/10000 · 3
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	English insert_or_assign 16/10000 · 16
316 :1374

	English ```c++ template<class M> bool insert_or_assign(const key_type& k, M&& obj); template<class M> bool insert_or_assign(key_type&& k, M&& obj); template<class K, class M> bool insert_or_assign(K&& k, M&& obj); ``` 209/10000 · 209
317 :1380

	English Inserts a new element into the table or updates an existing one by assigning to the contained value. 100/10000 · 100
318 :1382

	English If there is an element with key `k`, then it is updated by assigning `std::forward<M>(obj)`. 92/10000 · 92
319 :1384

	English If there is no such element, it is added to the table as: ```c++ 64/10000 · 64
320 :1387

	English value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<Key>(k)), std::forward_as_tuple(std::forward<M>(obj))) 126/10000 · 126
321 :1392

	English value_type(std::piecewise_construct, std::forward_as_tuple(std::forward<K>(k)), std::forward_as_tuple(std::forward<M>(obj))) ``` 128/10000 · 128
322 :1398

	English Returns:;; `true` if an insert took place. Concurrency:;; Blocking on rehashing of `*this`. Notes:;; Invalidates pointers and references to elements if a rehashing is issued. + + The `template<class K, class M>` only participates in overload resolution if `Hash::is_transparent` and `Pred::is_transparent` are valid member typedefs. The library assumes that `Hash` is callable with both `K` and `Key` and that `Pred` is transparent. This enables heterogeneous lookup which avoids the cost of instantiating an instance of the `Key` type. 536/10000 · 536
:1404 :1404

	English --- 3/10000 · 3

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