From 8be37fdb1d50498bdc3a860dd07d79c847247d0c Mon Sep 17 00:00:00 2001
From: Yuki Okushi <huyuumi.dev@gmail.com>
Date: Thu, 5 Sep 2019 00:50:22 +0900
Subject: [PATCH] Make it auto fixable lint

---
 clippy_lints/src/misc_early.rs | 5 ++++-
 tests/ui/patterns.stderr       | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/clippy_lints/src/misc_early.rs b/clippy_lints/src/misc_early.rs
index f4a1a1e297fc..47446edac54b 100644
--- a/clippy_lints/src/misc_early.rs
+++ b/clippy_lints/src/misc_early.rs
@@ -312,7 +312,7 @@ 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,
@@ -320,6 +320,9 @@ impl EarlyLintPass for MiscEarlyLints {
                         "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
index 31dfe1cd11c5..f25e71e872b2 100644
--- 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`