Filtering Lists

• Subject: Filtering Lists
• From: Peter Danenberg
• Date: Fri, 26 Oct 2007 02:13:11 -0500

I'd like to exclude from a list those sublists containing an element
that satisfies a given predicate; unfortunately, it appears as though
I have to convert to a set, subset, then retroconvert to a list:

    listify(subset(setify(elements),
        lambda([element], not(some(predicatep, element))))));

Is there any more elegant way of filtering lists without resorting to,
say, native Lisp?

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