bjoernager/rust
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Querify unused trait check.

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This commit is contained in:
Camille GILLOT 2022-01-30 17:14:54 +01:00
parent c4083faade
commit a4a5e5b4ae
4 changed files with 15 additions and 5 deletions
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9
compiler/rustc_hir_analysis/src/check_unused.rs
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@ -1,11 +1,16 @@
use rustc_data_structures::unord::{ExtendUnord, UnordSet};
use rustc_hir::def::DefKind;
use rustc_hir::def_id::LocalDefId;
use rustc_middle::query::Providers;
use rustc_middle::ty::TyCtxt;
use rustc_session::lint;
pub fn check_crate(tcx: TyCtxt<'_>) {
let mut used_trait_imports: UnordSet<LocalDefId> = Default::default();
pub fn provide(providers: &mut Providers) {
*providers = Providers { check_unused_traits, ..*providers };
}
fn check_unused_traits(tcx: TyCtxt<'_>, (): ()) {
let mut used_trait_imports = UnordSet::<LocalDefId>::default();
// FIXME: Use `tcx.hir().par_body_owners()` when we implement creating `DefId`s
// for anon constants during their parents' typeck.