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 2018. The current version is 1.91.0.

dynamic_string_buffer::capacity

dynamic_string_buffer::capacity

Get the current capacity of the dynamic buffer.

std::size_t capacity() const;

Return Value

The current total capacity of the buffer, i.e. for both the input sequence and output sequence.