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is_binding_pat: treat or-pat like tuple-pat

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This commit is contained in:
Mazdak Farrokhzad 2019-12-19 17:33:10 +01:00
parent ffbde9f44a
commit 4414f0d0e0
1 changed files with 2 additions and 1 deletions
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3
src/librustc/middle/region.rs
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@ -1173,6 +1173,7 @@ fn resolve_local<'tcx>(
/// | VariantName(..., P&, ...)
/// | [ ..., P&, ... ]
/// | ( ..., P&, ... )
/// | ... "|" P& "|" ...
/// | box P&
fn is_binding_pat(pat: &hir::Pat) -> bool {
// Note that the code below looks for *explicit* refs only, that is, it won't
@ -1212,6 +1213,7 @@ fn resolve_local<'tcx>(
pats3.iter().any(|p| is_binding_pat(&p))
}
PatKind::Or(ref subpats) |
PatKind::TupleStruct(_, ref subpats, _) |
PatKind::Tuple(ref subpats, _) => {
subpats.iter().any(|p| is_binding_pat(&p))
@ -1221,7 +1223,6 @@ fn resolve_local<'tcx>(
is_binding_pat(&subpat)
}
PatKind::Or(_) |
PatKind::Ref(_, _) |
PatKind::Binding(hir::BindingAnnotation::Unannotated, ..) |
PatKind::Binding(hir::BindingAnnotation::Mutable, ..) |