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Code Issues 1 Releases Wiki Activity

Clarify description of keep

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Michael Camilleri 2020-12-05 16:02:36 +09:00
parent c4a4916055
commit 9aa1b9c740
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1 changed files with 4 additions and 2 deletions
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src/boot/boot.janet
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@ -945,8 +945,10 @@
counter)
(defn keep
`Given a predicate, take only elements from an array or tuple for
which (pred element) is truthy. Returns a new array of truthy predicate results.`
``Given a predicate `pred`, return a new array containing the truthy results
of applying `pred` to each element in the indexed collection `ind`. This is
different to `filter` which returns an array of the original elements where
the predicate is truthy.``
[pred ind]
(def res @[])
(each item ind