syntax_data: {"ast_node_type":"other","tokens":[{"end":25,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:         match ty.kind() {
context_before:     fn fold_ty(&mut self, ty: I::Ty) -> I::Ty {
context_after:             ty::Bound(debruijn, bound_ty) if debruijn >= self.current_index => {