Put NSRects into an array, as objects?

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I want to make a NSMutableArray and fill it up with rectangles created with, say, NSRectMake. But the array only allows objects. What should I do to save the NSRects in an array?

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AliSoftware On BEST ANSWER

Use NSValue that's especially designed for that stuff. In your case, use valueWithRect:

Everything is explained here in Apple's corresponding Programming Guide.