From 115a192744c2c1f4422574ab32c39bb97edc6e7b Mon Sep 17 00:00:00 2001
From: realliujiaxu <72550220+realliujiaxu@users.noreply.github.com>
Date: Fri, 12 Nov 2021 20:48:27 +0800
Subject: [PATCH] change sumBy to sumOf

Iterable<T>.sumBy is deprecated since Kotlin 1.5, change it to sumOf.
---
 Introduction to Coroutines and Channels/02_BlockingRequest.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Introduction to Coroutines and Channels/02_BlockingRequest.md b/Introduction to Coroutines and Channels/02_BlockingRequest.md
index 37fa8ce..b7da4b4 100644
--- a/Introduction to Coroutines and Channels/02_BlockingRequest.md	
+++ b/Introduction to Coroutines and Channels/02_BlockingRequest.md	
@@ -134,7 +134,7 @@ A possible solution:
 ```kotlin
 fun List<User>.aggregate(): List<User> =
     groupBy { it.login }
-        .map { (login, group) -> User(login, group.sumBy { it.contributions }) }
+        .map { (login, group) -> User(login, group.sumOf { it.contributions }) }
         .sortedByDescending { it.contributions }
 ```