# Boost.Function, a polymorphic function wrapper [Boost.Function](http://boost.org/libs/function), part of the [Boost C++ Libraries](http://boost.org), is the original implementation of the polymorphic function wrapper `boost::function`, which was eventually accepted into the C++11 standard as [`std::function`](https://en.cppreference.com/w/cpp/utility/functional/function). ## Currently supported compilers * g++ 4.4 or later * clang++ 3.3 or later * Visual Studio 2005-2017 Tested on [Travis](https://travis-ci.org/boostorg/function/) and [Appveyor](https://ci.appveyor.com/project/pdimov/function/). ## License Distributed under the [Boost Software License, Version 1.0](http://boost.org/LICENSE_1_0.txt).