forked from boostorg/concept_check
It was marked for all toolsets for some reason. https://github.com/boostorg/boost/commit/741a03ba0b66330be2b18860175ebcb5d13b3971
It was marked for all toolsets for some reason. https://github.com/boostorg/boost/commit/741a03ba0b66330be2b18860175ebcb5d13b3971