document/EffectiveModernCppChinese
2
0
Fork 0
mirror of https://github.com/CnTransGroup/EffectiveModernCppChinese.git synced 2024-12-26 12:50:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

调整描述，强调"返回传值形参" (#170)

Browse Source
This commit is contained in:
Dong-Yiyuan 2024-02-19 10:18:38 +08:00 committed by GitHub
parent a8199af8b0
commit 8edc363ea7
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/5.RRefMovSemPerfForw/item25.md
View File

@ -236,7 +236,7 @@ Widget makeWidget()
}
```
这种情况与按值返回函数形参的情况很像。形参们没资格参与函数返回值的拷贝消除，但是如果作为返回值的话编译器会将其视作右值。结果就是，如果代码如下：
这种情况与返回函数传值形参的情况很像。传值形参们没资格参与函数返回值的拷贝消除，但是如果作为返回值的话编译器会将其视作右值。结果就是，如果代码如下：
```cpp
Widget makeWidget(Widget w) //传值形参，与函数返回的类型相同