if let ExprKind::AddrOf(BorrowKind::Ref, _, ref key) = params[1].kind;
then {
let map = ¶ms[0];
- let obj_ty = walk_ptrs_ty(cx.tables().expr_ty(map));
+ let obj_ty = walk_ptrs_ty(cx.typeck_results().expr_ty(map));
return if match_type(cx, obj_ty, &paths::BTREEMAP) {
Some(("BTreeMap", map, key))