diff options
Diffstat (limited to 'compiler/rustc_pattern_analysis/src/pat.rs')
| -rw-r--r-- | compiler/rustc_pattern_analysis/src/pat.rs | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/compiler/rustc_pattern_analysis/src/pat.rs b/compiler/rustc_pattern_analysis/src/pat.rs index d9b2b31643d..3e89a894419 100644 --- a/compiler/rustc_pattern_analysis/src/pat.rs +++ b/compiler/rustc_pattern_analysis/src/pat.rs @@ -5,7 +5,7 @@ use std::fmt; use smallvec::{smallvec, SmallVec}; use crate::constructor::{Constructor, Slice, SliceKind}; -use crate::TypeCx; +use crate::{SkipField, TypeCx}; use self::Constructor::*; @@ -300,7 +300,11 @@ impl<Cx: TypeCx> WitnessPat<Cx> { /// For example, if `ctor` is a `Constructor::Variant` for `Option::Some`, we get the pattern /// `Some(_)`. pub(crate) fn wild_from_ctor(cx: &Cx, ctor: Constructor<Cx>, ty: Cx::Ty) -> Self { - let fields = cx.ctor_sub_tys(&ctor, &ty).map(|ty| Self::wildcard(ty)).collect(); + let fields = cx + .ctor_sub_tys(&ctor, &ty) + .filter(|(_, SkipField(skip))| !skip) + .map(|(ty, _)| Self::wildcard(ty)) + .collect(); Self::new(ctor, fields, ty) } |
