std::unordered_set<Key,Hash,KeyEqual,Allocator>::clear

void clear() noexcept;

Erases all elements from the container. After this call, size() returns zero.

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

Parameters

(none).

Return value

(none).

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.

See also