4:13-16 TTypeFamily "Foo"
4:17-18 TTypeVariable "a"
5:3-6 TTypeFamily "Foo"
5:7-10 TTypeConstructor "Int"
5:13-16 TTypeConstructor "Int"
6:3-6 TTypeFamily "Foo"
6:7-8 TTypeVariable "a"
6:11-17 TTypeSynonym "String"