Add never_patterns feature gate

This commit is contained in:
Nadrieril 2023-11-22 02:30:43 +01:00
parent 24ce52a199
commit f2f243109b

View File

@ -40,7 +40,9 @@ pub(crate) fn is_short_pattern(pat: &ast::Pat, pat_str: &str) -> bool {
fn is_short_pattern_inner(pat: &ast::Pat) -> bool {
match pat.kind {
ast::PatKind::Rest | ast::PatKind::Wild | ast::PatKind::Lit(_) => true,
ast::PatKind::Rest | ast::PatKind::Never | ast::PatKind::Wild | ast::PatKind::Lit(_) => {
true
}
ast::PatKind::Ident(_, _, ref pat) => pat.is_none(),
ast::PatKind::Struct(..)
| ast::PatKind::MacCall(..)
@ -193,6 +195,7 @@ fn rewrite(&self, context: &RewriteContext<'_>, shape: Shape) -> Option<String>
None
}
}
PatKind::Never => None,
PatKind::Range(ref lhs, ref rhs, ref end_kind) => {
let infix = match end_kind.node {
RangeEnd::Included(RangeSyntax::DotDotDot) => "...",