数组索引是否存在 [英] Does Index of Array Exist

问题描述

我在工作中继承了一些非常难闻的代码.我希望能找到最轻松的解决方案.

I've inherited some code at work that has a really bad smell. I'm hoping to find the most painless solution possible.

有没有办法检查某个任意数字是否是数组中的有效元素?

Is there a way to check if some arbitrary number is a valid element in an array?

示例 - 我需要检查数组 [25] 是否存在.

Example - I need to check if array[25] exists.

最好我更愿意这样做而不通过数组执行 foreach() 来找到行.

Preferably I would prefer to do this without doing a foreach() through the array to found the rows.

有什么办法可以做到这一点，还是我坚持使用 foreach 循环?

Is there any way to do this, or am I stuck with foreach loop?

推荐答案

测试长度

int index = 25;
if(index < array.Length)
{
    //it exists
}

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