From 3bcde6fd91e3d60e0df5bef8105bded7ef9e48ed Mon Sep 17 00:00:00 2001
From: Sylvestre Ledru <sledru@mozilla.com>
Date: Tue, 17 Nov 2020 12:02:22 +0000
Subject: [PATCH] style: Fix clippy warnings

Depends on D96634

Differential Revision: https://phabricator.services.mozilla.com/D96636
---
 components/style_derive/to_css.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/style_derive/to_css.rs b/components/style_derive/to_css.rs
index b16d2cf7f30..40b7ee7cfec 100644
--- a/components/style_derive/to_css.rs
+++ b/components/style_derive/to_css.rs
@@ -105,7 +105,7 @@ fn derive_variant_arm(variant: &VariantInfo, generics: &mut Option<WhereClause>)
         }
     } else if let Some(function) = variant_attrs.function {
         let mut identifier = function.explicit().map_or(identifier, |name| name);
-        identifier.push_str("(");
+        identifier.push('(');
         expr = quote! {
             std::fmt::Write::write_str(dest, #identifier)?;
             #expr?;