Are there any observable Qt container classes? [closed]

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I'm looking for general-purpose container/collection classes (e.g., lists, maps) that emit Qt signals when items are added or removed.

I know the standard Qt container classes don't do it. Anyone know of any OSS library that has observable containers?

I realize there are issues with templates and Qt features. If it were easy, I'd just do it myself instead of looking for an existing one. :)

Thanks.

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But it is easy :) Just don't try subclassing the container class. Create a QObject subclass that contains an instance of the container you want to use and write Add and Remove methods that emit the signals you want when they are called.