From d06733efebc5d8b378398f1cbb4bbd9f3deb8270 Mon Sep 17 00:00:00 2001
From: Shotaro Yamada <sinkuu@sinkuu.xyz>
Date: Wed, 19 Feb 2020 13:29:34 +0900
Subject: Cleanup

---
 crates/ra_assists/src/lib.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'crates/ra_assists/src')

diff --git a/crates/ra_assists/src/lib.rs b/crates/ra_assists/src/lib.rs
index a0e7fe17e..f4a7497db 100644
--- a/crates/ra_assists/src/lib.rs
+++ b/crates/ra_assists/src/lib.rs
@@ -38,7 +38,7 @@ pub struct GroupLabel(pub String);
 impl AssistLabel {
     pub(crate) fn new(label: String, id: AssistId) -> AssistLabel {
         // FIXME: make fields private, so that this invariant can't be broken
-        assert!(label.chars().next().unwrap().is_uppercase());
+        assert!(label.starts_with(|c: char| c.is_uppercase()));
         AssistLabel { label, id }
     }
 }
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