std::map::emplace
From cppreference.com
| template< class... Args > std::pair<iterator,bool> emplace( Args&&... args ); |
(since C++11) | |
Inserts a new element to the container. The element is constructed in-place, i.e. no copy or move operations are performed. The constructor of the element type (value_type) is called as follows: the first argument is used to construct the key, the rest of the arguments are used to construct the value.
No iterators or references are invalidated.
Contents |
[edit] Parameters
| args | - | arguments to forward to the constructor of the element |
[edit] Return value
returns a pair consisting of a bool denoting whether the insertion took place and an iterator to the inserted element.
[edit] Complexity
Logarithmic in the size of the container.
[edit] See also
| (C++11) |
constructs elements in-place using a hint (public member function) |
| inserts elements (public member function) | |
