From 1a8952bcd47a28c3f7c7848eb244bee087428883 Mon Sep 17 00:00:00 2001
From: crackedcd <crackedcd@qq.com>
Date: Fri, 7 Sep 2018 08:17:28 +0800
Subject: [PATCH] Update 14.9.md (#539)
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14.9 实现 Futures 模式 InverseFuture()定义没有返回值
---
 eBook/14.9.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/eBook/14.9.md b/eBook/14.9.md
index bb078be..f5133db 100644
--- a/eBook/14.9.md
+++ b/eBook/14.9.md
@@ -29,7 +29,7 @@ func InverseProduct(a Matrix, b Matrix) {
 `InverseFuture`函数起了一个`goroutine`协程，在其执行闭包运算，该闭包会将矩阵求逆结果放入到future通道中：
 
 ```go
-func InverseFuture(a Matrix) {
+func InverseFuture(a Matrix) chan Matrix {
     future := make(chan Matrix)
     go func() {
         future <- Inverse(a)
@@ -44,4 +44,4 @@ func InverseFuture(a Matrix) {
 
 - [目录](directory.md)
 - 上一节：[惰性生成器的实现](14.8.md)
-- 下一节：[复用](14.10.md)
\ No newline at end of file
+- 下一节：[复用](14.10.md)