From c7130271327ec20c18ef2388e411ec50a1f1dcd7 Mon Sep 17 00:00:00 2001
From: Martin Molzer <ga65guy@mytum.de>
Date: Sat, 29 Jan 2022 04:47:34 +0100
Subject: [PATCH] fix a blunder where I swapped operands

---
 packages/yew/src/dom_bundle/blist.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/yew/src/dom_bundle/blist.rs b/packages/yew/src/dom_bundle/blist.rs
index c6ce4d07a1a..25d2c35c47f 100644
--- 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 {