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5. Zen

258 :1133
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — ```c++ template<class... Args, class F1, class F2> bool emplace_and_visit(Args&&... args, F1&& f1, F2&& f2); template<class... Args, class F1, class F2> bool emplace_and_cvisit(Args&&... args, F1&& f1, F2&& f2); ``` 215/10000 · 215
259 :1140
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — Inserts an object, constructed with the arguments `args`, in the table if there is no element in the table with an equivalent key, 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 `emplace_and_cvisit` is used. 335/10000 · 335
260 :1145
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — Requires:;; `value_type` is constructible from `args`. 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 interface is exposition only, as C++ does not allow to declare parameters `f1` and `f2` after a variadic parameter pack. 358/10000 · 358
:1152 :1152
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — --- 3/10000 · 3
262 :1154
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — Copy insert_and_[c]visit 24/10000 · 24
263 :1155
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — ```c++ template<class F1, class F2> bool insert_and_visit(const value_type& obj, F1 f1, F2 f2); template<class F1, class F2> bool insert_and_cvisit(const value_type& obj, F1 f1, F2 f2); template<class F1, class F2> bool insert_and_visit(const init_type& obj, F1 f1, F2 f2); template<class F1, class F2> bool insert_and_cvisit(const init_type& obj, F1 f1, F2 f2); ``` 366/10000 · 366
:1162 :1162
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — Inserts `obj` in the table if and only if there is no element in the table with an equivalent key, 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. 304/10000 · 304
265 :1167
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]. 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. + + In a call of the form `insert_and_[c]visit(obj, f1, f2)`, the overloads accepting a `const value_type&` argument participate in overload resolution only if `std::remove_cv<std::remove_reference<decltype(obj)>::type>::type` is `value_type`. 525/10000 · 525
:1175 :1175
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — --- 3/10000 · 3
267 :1177
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — Move insert_and_[c]visit 24/10000 · 24
268 :1178
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — ```c++ template<class F1, class F2> bool insert_and_visit(value_type&& obj, F1 f1, F2 f2); template<class F1, class F2> bool insert_and_cvisit(value_type&& obj, F1 f1, F2 f2); template<class F1, class F2> bool insert_and_visit(init_type&& obj, F1 f1, F2 f2); template<class F1, class F2> bool insert_and_cvisit(init_type&& obj, F1 f1, F2 f2); ``` 346/10000 · 346
:1185 :1185
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — Inserts `obj` in the table if and only if there is no element in the table with an equivalent key, 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. 304/10000 · 304
270 :1190
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]. 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. + + In a call of the form `insert_and_[c]visit(obj, f1, f2)`, the overloads accepting a `value_type&&` argument participate in overload resolution only if `std::remove_reference<decltype(obj)>::type` is `value_type`. 498/10000 · 498
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	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — --- 3/10000 · 3
272 :1200
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — Insert Iterator Range and Visit 31/10000 · 31
273 :1201
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — ```c++ template<class InputIterator, class F1, class F2> size_type insert_or_visit(InputIterator first, InputIterator last, F1 f1, F2 f2); template<class InputIterator, class F1, class F2> size_type insert_or_cvisit(InputIterator first, InputIterator last, F1 f1, F2 f2); ``` 275/10000 · 275
:1208 :1208
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — Equivalent to [listing,subs="+macros,+quotes"] 46/10000 · 46
:1215 :1215
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — Returns:;; The number of elements inserted. 43/10000 · 43
:1217 :1217
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — --- 3/10000 · 3
277 :1219
	English ↹ ↵ NBS … “ ” ‘ ’ ﹙-﹚ ‐ – — Insert Initializer List and Visit 33/10000 · 33