This is an older version of Boost and was released in 2014. The current version is 1.87.0.
boost::bind is a generalization of the standard functions std::bind1st and std::bind2nd. It supports arbitrary function objects, functions, function pointers, and member function pointers, and is able to bind any argument to a specific value or route input arguments into arbitrary positions.
The Boost.Function library contains a family of class templates that are function object wrappers.
Function object templates for dynamic and static object creation
Adapters to allow generic function objects to accept arbitrary arguments
Overload different functions into a single function object.
Generalized binders for function/object/pointers and member functions.
Managed signals & slots callback implementation (thread-safe version 2).