std::map::clear

From cppreference.com
< cpp‎ | container‎ | map

void clear();

Removes all elements from the container.

Invalidates any references, pointers, or iterators referring to contained elements. May invalidate any past-the-end iterators.

Contents

[edit] Parameters

(none)

[edit] Return value

(none)

[edit] Exceptions

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

[edit] Complexity

Linear in the size of the container.

[edit] See also

erases elements
(public member function)