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Rustup "index ReEmpty by universe"

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This commit is contained in:
Lzu Tao 2020-02-09 15:31:47 +07:00
parent 4ad6fb3fb0
commit 5328b5d667
1 changed files with 6 additions and 4 deletions
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10
clippy_lints/src/needless_pass_by_value.rs
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@ -170,8 +170,9 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NeedlessPassByValue {
( (
preds.iter().any(|t| t.def_id() == borrow_trait), preds.iter().any(|t| t.def_id() == borrow_trait),
!preds.is_empty() !preds.is_empty() && {
&& preds.iter().all(|t| { let ty_empty_region = cx.tcx.mk_imm_ref(&RegionKind::ReEmpty(ty::UniverseIndex::ROOT), ty);
preds.iter().all(|t| {
let ty_params = &t let ty_params = &t
.skip_binder() .skip_binder()
.trait_ref .trait_ref
@ -180,8 +181,9 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NeedlessPassByValue {
.skip(1) .skip(1)
.cloned() .cloned()
.collect::<Vec<_>>(); .collect::<Vec<_>>();
implements_trait(cx, cx.tcx.mk_imm_ref(&RegionKind::ReEmpty, ty), t.def_id(), ty_params) implements_trait(cx, ty_empty_region, t.def_id(), ty_params)
}), })
},
) )
}; };