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diff --git a/src/boost/libs/variant2/README.md b/src/boost/libs/variant2/README.md new file mode 100644 index 000000000..83a32fe27 --- /dev/null +++ b/src/boost/libs/variant2/README.md @@ -0,0 +1,21 @@ +# variant2 + +This repository contains a never-valueless, strong guarantee, C++11/14/17 +implementation of [std::variant](http://en.cppreference.com/w/cpp/utility/variant). +See [the documentation](https://www.boost.org/libs/variant2) +for more information. + +The code requires [Boost.Mp11](https://github.com/boostorg/mp11) and +Boost.Config. + +The library is part of Boost, starting from release 1.71, but the header +`variant.hpp` will also work [standalone](https://godbolt.org/z/nVUNKX). + +Supported compilers: + +* g++ 4.8 or later with `-std=c++11` or above +* clang++ 3.5 or later with `-std=c++11` or above +* Visual Studio 2015, 2017, 2019 + +Tested on [Travis](https://travis-ci.org/boostorg/variant2/) and +[Appveyor](https://ci.appveyor.com/project/pdimov/variant2-fkab9). |