-use crate::utils::{match_def_path, paths, qpath_res, span_lint};
+use crate::utils::{match_def_path, paths, span_lint};
use rustc_hir::{Expr, ExprKind};
use rustc_lint::{LateContext, LateLintPass};
use rustc_session::{declare_lint_pass, declare_tool_lint};
fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) {
if let ExprKind::Call(ref path_expr, ref args) = e.kind {
if let ExprKind::Path(ref qpath) = path_expr.kind {
- if let Some(def_id) = qpath_res(cx, qpath, path_expr.hir_id).opt_def_id() {
+ if let Some(def_id) = cx.qpath_res(qpath, path_expr.hir_id).opt_def_id() {
if match_def_path(cx, def_id, &paths::MEM_FORGET) {
- let forgot_ty = cx.tables().expr_ty(&args[0]);
+ let forgot_ty = cx.typeck_results().expr_ty(&args[0]);
if forgot_ty.ty_adt_def().map_or(false, |def| def.has_dtor(cx.tcx)) {
span_lint(cx, MEM_FORGET, e.span, "usage of `mem::forget` on `Drop` type");