{"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"ty::Adt(..)"}]}
            ty::Adt(..) | ty::Tuple(..) => {
            ty::Adt(def, _) if def.is_union() => ConstructorSet::Union,
                ConstructorSet::Struct { empty: cx.is_uninhabited(ty.inner()) }