bjoernager/rust
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use matches!() macro for simple if let conditions

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This commit is contained in:
Matthias Krüger 2020-09-18 19:11:06 +02:00
parent 2c69266c06
commit 40dddd3305
15 changed files with 33 additions and 36 deletions
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8
compiler/rustc_typeck/src/check/expr.rs
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@ -439,9 +439,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
// This is maybe too permissive, since it allows
// `let u = &raw const Box::new((1,)).0`, which creates an
// immediately dangling raw pointer.
self.typeck_results.borrow().adjustments().get(base.hir_id).map_or(false, |x| {
x.iter().any(|adj| if let Adjust::Deref(_) = adj.kind { true } else { false })
})
self.typeck_results
.borrow()
.adjustments()
.get(base.hir_id)
.map_or(false, |x| x.iter().any(|adj| matches!(adj.kind, Adjust::Deref(_))))
});
if !is_named {
self.tcx.sess.emit_err(AddressOfTemporaryTaken { span: oprnd.span })