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Interesting ideas. I especially like the first one. This got me thinking that it may be more performant to simply delete the values I don't need from the original hash instead of constructing a new one. For my current use case, this could be okay, but I could imagine future use cases where this would not be desirable... πάντων χρημάτων μέτρον έστιν άνθρωπος. In reply to Re^2: A more elegant way to filter a nested hash?
by jimpudar
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