From 623353e9ad6b5bf9e6d6f820c3a4bfc525cda607 Mon Sep 17 00:00:00 2001
From: Noah Zinsmeister <noahwz@gmail.com>
Date: Mon, 30 Dec 2019 15:57:43 -0500
Subject: [PATCH] make push syntax more explicit

---
 contracts/UniswapV2Factory.sol | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/contracts/UniswapV2Factory.sol b/contracts/UniswapV2Factory.sol
index f6ca589..b0861e4 100644
--- a/contracts/UniswapV2Factory.sol
+++ b/contracts/UniswapV2Factory.sol
@@ -44,7 +44,8 @@ contract UniswapV2Factory is IUniswapV2Factory {
         }
         IUniswapV2(exchange).initialize(token0, token1);
         _getExchange[token0][token1] = exchange;
-        emit ExchangeCreated(token0, token1, exchange, exchanges.push(exchange));
+        exchanges.push(exchange);
+        emit ExchangeCreated(token0, token1, exchange, exchanges.length);
     }
 
     function setFactoryOwner(address _factoryOwner) external {