Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for a snapshot of the master branch, built from commit 68cc668162.

object::clear

Erase all elements.

Synopsis

void
clear();

Description

Erases all elements from the container without changing the capacity. After this call, size() returns zero. All references, pointers, and iterators are invalidated.

Complexity

Linear in size().

Exception Safety

No-throw guarantee.