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std::unordered_multimap::clear

From cppreference.com
 
 
 
 
void clear() noexcept;
(since C++11)

Removes all elements from the container.

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

Contents

[edit] Parameters

(none)

[edit] Return value

(none)

[edit] Complexity

Linear in the size of the container, i.e., the number of elements.


Defect reports

The following behavior-changing defect reports were applied retroactively to previously published C++ standards.

DR Applied to Behavior as published Correct behavior
LWG 2550 C++11 for unordered associative containers, unclear if complexity is linear in the number of elements or buckets clarified that it's linear in the number of elements

[edit] See also

erases elements
(public member function) [edit]