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Re: [Bug-apl] Drop


From: Juergen Sauermann
Subject: Re: [Bug-apl] Drop
Date: Sun, 04 May 2014 16:05:42 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130330 Thunderbird/17.0.5

Hi Akiva,

I have removed the extra debug printout, see SVN 245.

Monadic ↓ is undefined as indicated by 'Error' in your table;
I believe the last element of X is ¯1↑X and not ↓X.

/// Jürgen


On 05/04/2014 03:20 PM, Akiva Avraham wrote:
Thought I'd point out an inconsistency.

http://i.imgur.com/A8Q3Ka7.jpg

Take A↑B Select the first (or last) A elements of B according to ×A Take ↑B Select first element
Drop A↓B Remove the first (or last) A elements of B according to ×A Drop ↓B Error

↓::eval_B() called (overloaded variant not yet implemented?)
VALENCE ERROR


↑B works, grabbing the first element.
↓B does not work. I think it should grab the last element.


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