syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":".map(|(matched_place,"}]}
source_snippet:         .map(|(matched_place, borrow_kind)| {
context_before:         .iter()
context_after:             let fake_borrow_deref_ty = matched_place.ty(&cx.local_decls, tcx).ty;