[librsvg: 21/23] Clippy - is_empty() instead of len() == 0

[Federico Mena Quintero <federico src gnome org>]

commit e830247711653cdb1b85c3a84439e992a201ad21
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri May 21 20:13:21 2021 -0500

    Clippy - is_empty() instead of len() == 0

 src/accept_language.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/accept_language.rs b/src/accept_language.rs
index 545dfea7..bdf95e3b 100644
--- a/src/accept_language.rs
+++ b/src/accept_language.rs
@@ -87,14 +87,14 @@ impl AcceptLanguage {
 
         for val in s.split(',') {
             let trimmed = val.trim_matches(&OWS[..]);
-            if trimmed.len() == 0 {
+            if trimmed.is_empty() {
                 continue;
             }
 
             items.push(Item::parse(trimmed)?);
         }
 
-        if items.len() == 0 {
+        if items.is_empty() {
             Err(AcceptLanguageError::NoElements)
         } else {
             Ok(AcceptLanguage(items.into_boxed_slice()))