yew/vlist: fix key difference point detection

bakape · bakape · commit 8d9c81821dff · 2020-09-18T21:46:24.000+03:00
diff --git a/yew/src/virtual_dom/vlist.rs b/yew/src/virtual_dom/vlist.rs
@@ -141,7 +141,7 @@ impl VList {
             a: impl Iterator<Item = &'a Key>,
             b: impl Iterator<Item = &'b Key>,
         ) -> usize {
-            a.zip(b).filter(|(a, b)| a == b).count()
+            a.zip(b).take_while(|(a, b)| a == b).count()
         }
 
         // Find first key mismatch from the front

Original file line number	Diff line number	Diff line change
`@@ -141,7 +141,7 @@ impl VList {`
`141`	`141`	`a: impl Iterator<Item = &'a Key>,`
`142`	`142`	`b: impl Iterator<Item = &'b Key>,`
`143`	`143`	`) -> usize {`
`144`		`- a.zip(b).filter(\|(a, b)\| a == b).count()`
	`144`	`+ a.zip(b).take_while(\|(a, b)\| a == b).count()`
`145`	`145`	`}`
`146`	`146`
`147`	`147`	`// Find first key mismatch from the front`