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 064f557086.

Return the maximum number of bytes, both readable and writable, that can be held without requiring an allocation.

std::size_t
capacity() const;