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Remove PatKind::Never

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This commit is contained in:
Zalathar 2024-08-03 21:04:51 +10:00
parent ec1483bf2e
commit bfe88a3bd0
2 changed files with 1 additions and 4 deletions
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2
compiler/rustc_pattern_analysis/src/rustc.rs
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@ -904,7 +904,7 @@ impl<'p, 'tcx: 'p> RustcPatCtxt<'p, 'tcx> {
print::write_slice_like(&mut s, &prefix, has_dot_dot, &suffix).unwrap(); print::write_slice_like(&mut s, &prefix, has_dot_dot, &suffix).unwrap();
PatKind::Print(s) PatKind::Print(s)
} }
Never if self.tcx.features().never_patterns => PatKind::Never, Never if self.tcx.features().never_patterns => PatKind::Print("!".to_string()),
Never | Wildcard | NonExhaustive | Hidden | PrivateUninhabited => { Never | Wildcard | NonExhaustive | Hidden | PrivateUninhabited => {
PatKind::Print("_".to_string()) PatKind::Print("_".to_string())
} }

3
compiler/rustc_pattern_analysis/src/rustc/print.rs
View File

@ -32,15 +32,12 @@ pub(crate) struct Pat<'tcx> {
#[derive(Clone, Debug)] #[derive(Clone, Debug)]
pub(crate) enum PatKind { pub(crate) enum PatKind {
Never,
Print(String), Print(String),
} }
impl<'tcx> fmt::Display for Pat<'tcx> { impl<'tcx> fmt::Display for Pat<'tcx> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self.kind { match self.kind {
PatKind::Never => write!(f, "!"),
PatKind::Print(ref string) => write!(f, "{string}"), PatKind::Print(ref string) => write!(f, "{string}"),
} }
} }