test~type~unary_plus
../libs/hana/test/type/unary_plus.cpp:35:11: warning: typedef 'using T1 = using type = struct T' locally defined but not used [-Wunused-local-typedefs]
../libs/hana/test/type/unary_plus.cpp:36:11: warning: typedef 'using T2 = using type = struct T' locally defined but not used [-Wunused-local-typedefs]
../libs/hana/test/type/unary_plus.cpp:37:11: warning: typedef 'using T3 = using type = struct T' locally defined but not used [-Wunused-local-typedefs]
../libs/hana/test/type/unary_plus.cpp:38:11: warning: typedef 'using T4 = using type = struct T' locally defined but not used [-Wunused-local-typedefs]