Exit Zen
:858
:858
English
Only participates in overload resolution if `std::is_constructible<value_type, P&&>::value` is `true`.
81/1020 · 102
200
:861
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.
69/2230 · 223
:865
:865
English
---
3/100 · 3
202
:867
English
Copy Insert with Hint
8/210 · 21
203
:868
English
```c++ iterator insert(const_iterator hint, const value_type& obj); ``` Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.
107/1780 · 178
:873
:873
English
`hint` is a suggestion to where the element should be inserted.
20/630 · 63
205
:876
English
Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/CopyInsertable[CopyInsertable^]. Returns:;; 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:;; The standard is fairly vague on the meaning of the hint. But the only practical way to use it, and the only way that Boost.Unordered supports is to point to an existing element with the same key. + + Can invalidate iterators, but only if the insert causes the load factor to be greater to or equal to the maximum load factor. + + Pointers and references to elements are never invalidated.
311/7610 · 761
:885
:885
English
---
3/100 · 3
207
:887
English
Move Insert with Hint
8/210 · 21
208
:888
English
```c++ iterator insert(const_iterator hint, value_type&& obj); ```
74/660 · 66
:892
:892
English
Inserts `obj` in the container if and only if there is no element in the container with an equivalent key.
33/1060 · 106
:894
:894
English
`hint` is a suggestion to where the element should be inserted.
20/630 · 63
211
:897
English
Requires:;; `value_type` is https://en.cppreference.com/w/cpp/named_req/MoveInsertable[MoveInsertable^]. Returns:;; 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:;; The standard is fairly vague on the meaning of the hint. But the only practical way to use it, and the only way that Boost.Unordered supports is to point to an existing element with the same key. + + Can invalidate iterators, but only if the insert causes the load factor to be greater to or equal to the maximum load factor. + + Pointers and references to elements are never invalidated.
311/7610 · 761
:906
:906
English
---
3/100 · 3
213
:908
English
Emplace Insert with Hint
8/240 · 24
214
:910
English
```c++ template<class P> iterator insert(const_iterator hint, P&& obj); ```
94/750 · 75
215
:914
English
Inserts an element into the container by performing `emplace_hint(hint, std::forward<P>(value))`.
65/970 · 97
:916
:916
English
Only participates in overload resolution if `std::is_constructible<value_type, P&&>::value` is `true`.
85/1020 · 102
:918
:918
English
`hint` is a suggestion to where the element should be inserted.
20/630 · 63
218
:921
English
Returns:;; If an insert took place, then the iterator points to the newly inserted element. Otherwise, it points to the element with equivalent key. Notes:;; The standard is fairly vague on the meaning of the hint. But the only practical way to use it, and the only way that Boost.Unordered supports is to point to an existing element with the same key. + + Can invalidate iterators, but only if the insert causes the load factor to be greater to or equal to the maximum load factor. + + Pointers and references to elements are never invalidated.
183/5460 · 546