#include "catch.hpp" #include <mapbox/variant.hpp> #include <mapbox/variant_io.hpp> // https://github.com/mapbox/variant/issues/122 struct X { template <typename ValueType> X(const ValueType&) {} }; TEST_CASE("Correctly choose appropriate constructor", "[variant]") { mapbox::util::variant<X, int> a{123}; decltype(a) b(a); REQUIRE(a.which() == b.which()); }