fix a blunder where I swapped operands

WorldSEnder · WorldSEnder · commit c7130271327e · 2022-01-29T04:58:01.000+01:00
diff --git a/packages/yew/src/dom_bundle/blist.rs b/packages/yew/src/dom_bundle/blist.rs
@@ -422,7 +422,7 @@ impl Reconcilable for VList {
         test_log!("lefts: {:?}", lefts);
         test_log!("rights: {:?}", rights);
 
-        if let Some(additional) = rights.len().checked_sub(lefts.len()) {
+        if let Some(additional) = lefts.len().checked_sub(rights.len()) {
             rights.reserve_exact(additional);
         }
         let first = if self.fully_keyed && blist.fully_keyed {

Original file line number	Diff line number	Diff line change
`@@ -422,7 +422,7 @@ impl Reconcilable for VList {`
`422`	`422`	`test_log!("lefts: {:?}", lefts);`
`423`	`423`	`test_log!("rights: {:?}", rights);`
`424`	`424`
`425`		`- if let Some(additional) = rights.len().checked_sub(lefts.len()) {`
	`425`	`+ if let Some(additional) = lefts.len().checked_sub(rights.len()) {`
`426`	`426`	`rights.reserve_exact(additional);`
`427`	`427`	`}`
`428`	`428`	`let first = if self.fully_keyed && blist.fully_keyed {`