iOS：将ID转换为int [英] iOS: Converting id to int

问题描述

我遇到了将对象的id转换为int（或NSINteger）的麻烦，所以我可以在稍后的循环中使用它。

I have troubles converting id of an object to int (or NSINteger), so that I can use it in a loop later.

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Here is the case:

// "tasks" is a mutable array
int taskNo = [[tasks indexOfObject:@"something"] integerValue];

但结果是：

Bad receiver type 'NSUInteger' (aka 'unsigned int')

我发现一个类似的线程与类似于我上面的代码，但不幸的是它不适合我。

I found a similar thread with code similar to what I have above, but unfortunately it didn't work for me. I guess I must be missing something simple.

推荐答案

int taskNo = (int)[tasks indexOfObject:@"something"];

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