Improve the match_same_arms doc

2016-04-01 13:14:39 +02:00 · 2016-04-01 13:14:39 +02:00 · 8bfe38c432
commit 8bfe38c432
parent 45bb75bee2
1 changed files with 3 additions and 1 deletions
--- a/src/copies.rs
+++ b/src/copies.rs
@ -38,7 +38,9 @@ declare_lint! {

 /// **What it does:** This lint checks for `match` with identical arm bodies.
 ///
-/// **Why is this bad?** This is probably a copy & paste error.
+/// **Why is this bad?** This is probably a copy & paste error. If arm bodies are the same on
+/// purpose, you can factor them
+/// [using `|`](https://doc.rust-lang.org/book/patterns.html#multiple-patterns).
 ///
 /// **Known problems:** Hopefully none.
 ///