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.

Global in_place_type

boost::anys::in_place_type

Synopsis

// In header: <boost/any/unique_any.hpp>

constexpr in_place_type_t< T > in_place_type;