From bfe536342f3bfaacea11ad4957e541d4219ae4ea Mon Sep 17 00:00:00 2001
From: Yotam Ofek <yotam.ofek@gmail.com>
Date: Sat, 15 Mar 2025 14:14:25 +0000
Subject: [PATCH] Optimize multi-char string patterns

---
 library/core/src/slice/cmp.rs   | 2 +-
 library/core/src/str/pattern.rs | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/library/core/src/slice/cmp.rs b/library/core/src/slice/cmp.rs
index 804bdfcbb4fc7..da85f42926e6b 100644
--- a/library/core/src/slice/cmp.rs
+++ b/library/core/src/slice/cmp.rs
@@ -282,4 +282,4 @@ macro_rules! impl_slice_contains {
     };
 }
 
-impl_slice_contains!(u16, u32, u64, i16, i32, i64, f32, f64, usize, isize);
+impl_slice_contains!(u16, u32, u64, i16, i32, i64, f32, f64, usize, isize, char);
diff --git a/library/core/src/str/pattern.rs b/library/core/src/str/pattern.rs
index 2d941adfd859c..bcbbb11c83b2f 100644
--- a/library/core/src/str/pattern.rs
+++ b/library/core/src/str/pattern.rs
@@ -644,21 +644,21 @@ where
 impl<const N: usize> MultiCharEq for [char; N] {
     #[inline]
     fn matches(&mut self, c: char) -> bool {
-        self.iter().any(|&m| m == c)
+        self.contains(&c)
     }
 }
 
 impl<const N: usize> MultiCharEq for &[char; N] {
     #[inline]
     fn matches(&mut self, c: char) -> bool {
-        self.iter().any(|&m| m == c)
+        self.contains(&c)
     }
 }
 
 impl MultiCharEq for &[char] {
     #[inline]
     fn matches(&mut self, c: char) -> bool {
-        self.iter().any(|&m| m == c)
+        self.contains(&c)
     }
 }