John Preston eaae662b7d Use mapbox::util::variant in a submodule. ...

While we don't have C++17 std::variant<> use a BSD licensed
alternative from mapbox team in a base:: wrapper.

2017-03-10 17:12:04 +03:00

..

GSL @ f9c47dd63f

Move GSL dependency to a submodule.

2017-03-10 14:34:43 +03:00

variant @ 916139a2e5

Use mapbox::util::variant in a submodule.

2017-03-10 17:12:04 +03:00