Bir*_*chi 3 objective-c nsindexpath
我在创建NSIndexPath时收到警告,
NSInteger arr[] = {0,3};
[NSIndexPath indexPathWithIndexes:arr length:2]
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warning: pointer targets in passing argument 1 of 'indexPathWithIndexes:length:' differ in signedness
是什么警告?如何使它工作?
谢谢
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