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 an older version of Boost and was released in 2023. The current version is 1.90.0.

string::capacity

string::capacity

Return the number of characters that can be held without a reallocation.

Synopsis

std::size_t
capacity() const;

Description

This number represents the largest number of characters the currently allocated storage can contain. This number may be larger than the value returned by size().

Complexity

Constant.