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 1.89.0.
void reserve( std::size_t n);
This actually just throws an exception if n
> N,
otherwise does nothing since the storage is fixed.