W3cubDocs

/C++

std::map::clear

void clear();

Removes all elements from the container.

Invalidates any references, pointers, or iterators referring to contained elements. Any past-the-end iterator remains valid.

Parameters

(none).

Return value

(none).

Exceptions

(none) (until C++11)
noexcept specification:
noexcept
(since C++11)

Complexity

Linear in the size of the container.

See also

erases elements
(public member function)

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/cpp/container/map/clear