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 2019. The current version is 1.90.0.

dynamic_string_buffer::grow

dynamic_string_buffer::grow

DynamicBuffer_v2: Grow the underlying memory by the specified number of bytes.

void grow(
    std::size_t n);

Resizes the string to accommodate an additional n bytes at the end.

Exceptions

std::length_error: If size() + n > max_size().