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 2022. The current version is 1.89.0.
boost::icl::inplace_minus
// In header: <boost/icl/functors.hpp> template<typename Type> struct inplace_minus : public boost::icl::identity_based_inplace_combine< Type > { // types typedef inplace_minus< Type > type; // public member functions void operator()(Type &, const Type &) const; };