Rollup merge of #79826 - LingMan:match_if, r=lcnr

Simplify visit_{foreign,trait}_item

Using an `if` seems like a better semantic fit and saves a few lines.

Noticed while looking at https://github.com/rust-lang/rust/pull/79752, but that's already merged.
r? `@lcnr,` cc `@cjgillot`

`@rustbot` modify labels +C-cleanup +T-compiler
This commit is contained in:
Tyler Mandry
2020-12-09 13:38:33 -08:00
committed by GitHub
+10 -20
View File
@@ -423,15 +423,11 @@ fn visit_item(&mut self, item: &hir::Item<'_>) {
}
fn visit_trait_item(&mut self, trait_item: &hir::TraitItem<'_>) {
match trait_item.kind {
hir::TraitItemKind::Const(_, Some(_))
| hir::TraitItemKind::Fn(_, hir::TraitFn::Provided(_)) => {
if has_allow_dead_code_or_lang_attr(self.tcx, trait_item.hir_id, &trait_item.attrs)
{
self.worklist.push(trait_item.hir_id);
}
}
_ => {}
use hir::TraitItemKind::{Const, Fn};
if matches!(trait_item.kind, Const(_, Some(_)) | Fn(_, hir::TraitFn::Provided(_)))
&& has_allow_dead_code_or_lang_attr(self.tcx, trait_item.hir_id, &trait_item.attrs)
{
self.worklist.push(trait_item.hir_id);
}
}
@@ -440,17 +436,11 @@ fn visit_impl_item(&mut self, _item: &hir::ImplItem<'_>) {
}
fn visit_foreign_item(&mut self, foreign_item: &hir::ForeignItem<'_>) {
match foreign_item.kind {
hir::ForeignItemKind::Static(..) | hir::ForeignItemKind::Fn(..) => {
if has_allow_dead_code_or_lang_attr(
self.tcx,
foreign_item.hir_id,
&foreign_item.attrs,
) {
self.worklist.push(foreign_item.hir_id);
}
}
_ => {}
use hir::ForeignItemKind::{Fn, Static};
if matches!(foreign_item.kind, Static(..) | Fn(..))
&& has_allow_dead_code_or_lang_attr(self.tcx, foreign_item.hir_id, &foreign_item.attrs)
{
self.worklist.push(foreign_item.hir_id);
}
}
}