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Alex Rivera
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I wonder if there is a less verbose way than using a loop. Anyway this works for me in CLISP: (loop for key being the hash-keys of *my-hash* collect key) I've seen others using maphash , but that involves accumulating each key into a list. Apart from that being more involved than using loop, it also introduces a side-effect, which I try to avoid whenever I can - I prefer functional programming as much as possible :) Is there anything predefined like this for this common task, even though implementation-specific? (defun hash-keys (hash-table) (loop for key being the hash-keys of hash-table collect key))
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