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Rollup merge of #85912 - LingMan:iter_any, r=nagisa

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Use `Iterator::any` and `filter_map` instead of open-coding them

``@rustbot`` modify labels +C-cleanup +T-compiler
This commit is contained in:
Guillaume Gomez 2021-06-07 01:06:50 +02:00 committed by GitHub
commit b71bc91192
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1 changed files with 4 additions and 9 deletions
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13
compiler/rustc_lint/src/types.rs
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@ -711,15 +711,10 @@ fn ty_is_known_nonnull<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, mode: CItemKi
return false;
}
for variant in &def.variants {
if let Some(field) = transparent_newtype_field(cx.tcx, variant) {
if ty_is_known_nonnull(cx, field.ty(tcx, substs), mode) {
return true;
}
}
}
false
def.variants
.iter()
.filter_map(|variant| transparent_newtype_field(cx.tcx, variant))
.any(|field| ty_is_known_nonnull(cx, field.ty(tcx, substs), mode))
}
_ => false,
}