From d827b834d91383620d587fb4a1e74d8579e3a280 Mon Sep 17 00:00:00 2001
From: kyoto7250 <50972773+kyoto7250@users.noreply.github.com>
Date: Sun, 26 Jun 2022 16:11:04 +0900
Subject: [PATCH] use all instead of join

---
 clippy_lints/src/enum_variants.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clippy_lints/src/enum_variants.rs b/clippy_lints/src/enum_variants.rs
index 99d5da2c2cc..cd36f9fcd72 100644
--- a/clippy_lints/src/enum_variants.rs
+++ b/clippy_lints/src/enum_variants.rs
@@ -214,7 +214,7 @@ fn check_variant(cx: &LateContext<'_>, threshold: u64, def: &EnumDef<'_>, item_n
 
 #[must_use]
 fn have_no_extra_prefix(prefixes: &[&str]) -> bool {
-    prefixes.is_empty() || prefixes.join("") == "_"
+    prefixes.iter().all(|p| p == &"" || p == &"_")
 }
 
 #[must_use]
-- 
2.44.0