simplify match stmt

rust-lang · Mar 26, 2020 · c21e25c · c21e25c
1 parent a17dd36
commit c21e25c
Showing 1 changed file with 1 addition and 5 deletions.
diff --git a/src/librustc_ast_passes/ast_validation.rs b/src/librustc_ast_passes/ast_validation.rs
@@ -289,11 +289,7 @@ impl<'a> AstValidator<'a> {
  match expr.kind {
  ExprKind::Lit(..) | ExprKind::Err => {}
  ExprKind::Path(..) if allow_paths => {}
- ExprKind::Unary(UnOp::Neg, ref inner)
- if match inner.kind {
- ExprKind::Lit(_) => true,
- _ => false,
- } => {}
+ ExprKind::Unary(UnOp::Neg, ref inner) if matches!(inner.kind, ExprKind::Lit(_)) => {}
  _ => self.err_handler().span_err(
  expr.span,
  "arbitrary expressions aren't allowed \