From: xFrednet <xFrednet@gmail.com>
Date: Fri, 23 Jul 2021 15:02:45 +0000 (+0200)
Subject: Documented constant expression evaluation for `repeat_once`
X-Git-Url: https://git.lizzy.rs/?a=commitdiff_plain;h=544c462d255e23c99d99c5ed67a7b16bf61eb563;hp=610381455cb78a31695b94bc45ee580cf0cd7b38;p=rust.git

Documented constant expression evaluation for `repeat_once`
---

diff --git a/clippy_lints/src/repeat_once.rs b/clippy_lints/src/repeat_once.rs
index b479c40bca6..17cb96bc4eb 100644
--- a/clippy_lints/src/repeat_once.rs
+++ b/clippy_lints/src/repeat_once.rs
@@ -16,7 +16,11 @@
     /// - `.clone()` for `String`
     /// - `.to_vec()` for `slice`
     ///
-    /// **Why is this bad?** For example, `String.repeat(1)` is equivalent to `.clone()`. If cloning the string is the intention behind this, `clone()` should be used.
+    /// The lint will evaluate constant expressions and values as arguments of `.repeat(..)` and emit a message if
+    /// they are equivalent to `1`. (Related discussion in [rust-clippy#7306](https://github.com/rust-lang/rust-clippy/issues/7306))
+    ///
+    /// **Why is this bad?** For example, `String.repeat(1)` is equivalent to `.clone()`. If cloning
+    /// the string is the intention behind this, `clone()` should be used.
     ///
     /// **Known problems:** None.
     ///