Make it auto fixable lint

rust-lang · Sep 4, 2019 · 8be37fd · 8be37fd
1 parent e236740
commit 8be37fd
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/clippy_lints/src/misc_early.rs b/clippy_lints/src/misc_early.rs
@@ -312,14 +312,17 @@ impl EarlyLintPass for MiscEarlyLints {
 
  if let PatKind::Ident(_, ident, Some(ref right)) = pat.node {
  if let PatKind::Wild = right.node {
- span_lint(
+ span_lint_and_sugg(
  cx,
  REDUNDANT_PATTERN,
  pat.span,
  &format!(
  "the `{} @ _` pattern can be written as just `{}`",
  ident.name, ident.name,
  ),
+ "try",
+ format!("{}", ident.name),
+ Applicability::MachineApplicable,
  );
  }
  }

diff --git a/tests/ui/patterns.stderr b/tests/ui/patterns.stderr
@@ -2,7 +2,7 @@ error: the `y @ _` pattern can be written as just `y`
  --> $DIR/patterns.rs:10:9
  |
 LL | y @ _ => (),
- | ^^^^^
+ | ^^^^^ help: try: `y`
  |
  = note: `-D clippy::redundant-pattern` implied by `-D warnings`