I am writing an iOS application using Apple's new Metal framework. I have an array of Matrix4 objects (see Ray Wenderlich's tutorial) that I need to pass in to a shader via the MTLDevice.newBufferW...

I have an NSSet of Strings, and I want to convert it into [String]. How do I do that?

I have no idea if this is possible at all, but it would save me from a lot of stress and bad code. Is it possible to monitor whenever an array gets updated? For example, method A changes the array ...