diff options
Diffstat (limited to 'compiler/rustc_mir_build/src/thir/pattern/check_match.rs')
| -rw-r--r-- | compiler/rustc_mir_build/src/thir/pattern/check_match.rs | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs index 063c07647..d45b88690 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs @@ -491,8 +491,8 @@ impl<'p, 'tcx> MatchVisitor<'_, 'p, 'tcx> { err.span_suggestion_verbose( semi_span.shrink_to_lo(), &format!( - "alternatively, on nightly, you might want to use \ - `#![feature(let_else)]` to handle the variant{} that {} matched", + "alternatively, you might want to use \ + let else to handle the variant{} that {} matched", pluralize!(witnesses.len()), match witnesses.len() { 1 => "isn't", @@ -849,22 +849,22 @@ fn non_exhaustive_match<'p, 'tcx>( )); } [.., prev, last] if prev.span.eq_ctxt(last.span) => { - if let Ok(snippet) = sm.span_to_snippet(prev.span.between(last.span)) { - let comma = if matches!(last.body.kind, hir::ExprKind::Block(..)) - && last.span.eq_ctxt(last.body.span) - { - "" - } else { - "," - }; + let comma = if matches!(last.body.kind, hir::ExprKind::Block(..)) + && last.span.eq_ctxt(last.body.span) + { + "" + } else { + "," + }; + let spacing = if sm.is_multiline(prev.span.between(last.span)) { + sm.indentation_before(last.span).map(|indent| format!("\n{indent}")) + } else { + Some(" ".to_string()) + }; + if let Some(spacing) = spacing { suggestion = Some(( last.span.shrink_to_hi(), - format!( - "{}{}{} => todo!()", - comma, - snippet.strip_prefix(',').unwrap_or(&snippet), - pattern - ), + format!("{}{}{} => todo!()", comma, spacing, pattern), )); } } |