gpt4 book ai didi

c++ - 为什么 if( constant == variable ) 比 if ( variable == constant ) 更受欢迎

转载 作者:太空宇宙 更新时间:2023-11-04 05:01:10 24 4
gpt4 key购买 nike

<分区>

Possible Duplicate:
How to check for equals? (0 == i) or (i == 0)
Why does one often see “null != variable” instead of “variable != null” in C#?
Why do some experienced programmers write expressions this way?
What is the meaning of NULL != value in C++?

例如,

 int k =5;
if( 5 == k )
{
}

优于

if (k == 5)
{
}

它是否仅用于格式化目的,还是背后有任何原因?

24 4 0
Copyright 2021 - 2024 cfsdn All Rights Reserved 蜀ICP备2022000587号
广告合作:1813099741@qq.com 6ren.com