clippy_lints/src/types/linked_list.rs

   1 use rustc_hir::{self as hir, def_id::DefId};
   2 use rustc_lint::LateContext;
   3
   4 use crate::utils::{match_def_path, paths, span_lint_and_help};
   5
   6 pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, def_id: DefId) -> bool {
   7     if match_def_path(cx, def_id, &paths::LINKED_LIST) {
   8         span_lint_and_help(
   9             cx,
  10             super::LINKEDLIST,
  11             hir_ty.span,
  12             "you seem to be using a `LinkedList`! Perhaps you meant some other data structure?",
  13             None,
  14             "a `VecDeque` might work",
  15         );
  16         true
  17     } else {
  18         false
  19     }
  20 }