improve speed of to_string for Classes (yewstack#772)

llebout · Jan 20, 2020 · 7055c18 · 7055c18
1 parent 59bfd70
commit 7055c18
Showing 1 changed file with 5 additions and 7 deletions.
diff --git a/src/virtual_dom/mod.rs b/src/virtual_dom/mod.rs
@@ -84,13 +84,11 @@ impl Classes {
 
 impl ToString for Classes {
     fn to_string(&self) -> String {
-        let mut buf = String::new();
-        for class in &self.set {
-            buf.push_str(class);
-            buf.push(' ');
-        }
-        buf.pop();
-        buf
+        self.set
+            .iter()
+            .map(String::as_str)
+            .collect::<Vec<&str>>()
+            .join(" ")
     }
 }