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realized? return true for an instance that is not IPending

Description

To safely test if an arbitrary seq is realized (non-lazy), we need a wrapper like:

(defn seq-realized? [s] (if (instance? clojure.lang.IPending s) (realized? s) true))

If realized? returned true for an (ISeq?) instance that is not IPending there would be less surprising behavior for cases such as, (realized? (range 10)) which throws exception.

NB: A follow-up to CLJ-1751.

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2
  • 18 Jul 2018, 12:26 AM

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Marc O'Morain July 18, 2018 at 12:26 AM

Attaching a patch that makes realized? return true for non-pending xs. Add tests for the IPending types.

Marc O'Morain July 17, 2018 at 9:56 PM

Scratch that - patch is no good.

Marc O'Morain July 17, 2018 at 9:54 PM

Attaching a patch that makes realized? return true for non-pending xs.

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Created June 9, 2015 at 8:16 PM
Updated July 18, 2018 at 12:26 AM