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std::map::clear

void clear();
(until C++11)
void clear() noexcept;
(since C++11)

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

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

Parameters

(none).

Return value

(none).

Complexity

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

See also

erases elements
(public member function)

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