{"ast_node_type":"other","tokens":[{"end":105,"kind":"keyword","start":0,"text":"//"}]}
            // FIXME: We handle closure as a special case, since chalk consider every closure as copy. We
        if let TyKind::Closure(id, _) = ty.kind(Interner) {
            // should probably let chalk know which closures are copy, but I don't know how doing it