Getting arity of closures

Jeroen Demeyer on Mon, 25 Feb 2019 15:46:09 +0100

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Getting arity of closures

To: pari-users <pari-users@pari.math.u-bordeaux1.fr>
Subject: Getting arity of closures
From: Jeroen Demeyer <J.Demeyer@UGent.be>
Date: Mon, 25 Feb 2019 15:46:07 +0100
Delivery-date: Mon, 25 Feb 2019 15:46:09 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.0

Is there any GP function to determine the arity of a closure? Somethinglike that would be useful, for example to specify different behaviourwhen taking a closure as input (like lfuncreate for example).

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  - From: Michael Somos <ms639@georgetown.edu>
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  - From: Jack Brennen <jfb@brennen.net>

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