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remove unused warnings

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This commit is contained in:
Lzu Tao 2019-11-08 10:16:43 +07:00
parent acbe224f6a
commit ff5bf67b94
1 changed files with 2 additions and 2 deletions
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4
clippy_lints/src/exit.rs
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@ -32,8 +32,8 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Exit {
if let Some(def_id) = qpath_res(cx, path, path_expr.hir_id).opt_def_id();
if match_def_path(cx, def_id, &paths::EXIT);
then {
let mut parent = cx.tcx.hir().get_parent_item(e.hir_id);
if let Some(Node::Item(Item{ident, kind: ItemKind::Fn(..), ..})) = cx.tcx.hir().find(parent) {
let parent = cx.tcx.hir().get_parent_item(e.hir_id);
if let Some(Node::Item(Item{kind: ItemKind::Fn(..), ..})) = cx.tcx.hir().find(parent) {
// If the next item up is a function we check if it is an entry point
// and only then emit a linter warning
let def_id = cx.tcx.hir().local_def_id(parent);