You may also want to use match

   a-:a
1
   a-:8
0
   8-:8
1

2011/4/8 Björn Helgason <[email protected]>

> Only difference is the shape
>
>    a=: ,8
>    a=8
> 1
>    $a
> 1
>    $8
>
>    8=8
> 1
>    #a
> 1
>    #8
> 1
>
>
> 2011/4/7 David Ward Lambert <[email protected]>
>
>> The following sentences "look" like they should work.  Perhaps
>> highlighting non-scalars that look like scalars
>>   (1 = [: */ $)
>> in the GUI j interfaces would ease learning j?
>>
>>   a=: ,8
>>
>>   NB. ... later in session ...
>>
>>   a+1 2
>> |length error
>> |   a    +1 2
>>
>>   a      NB. Baffling!
>> 8
>>
>>   a      NB. Something is funny about this 8.
>> \emph{8}
>>
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
>>
>
>
>
> --
> Björn Helgason, Verkfræðingur
> Fornustekkum II
> 781 Hornafirði,
> t-póst: [email protected]
> gsm: +3546985532
> twitter: @flugfiskur
> http://groups.google.com/group/J-Programming
>
>
> Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari einfaldleikans
>
> góður kennari getur stigið á tær án þess að glansinn fari af skónum
>           /|_      .-----------------------------------.
>          ,'  .\  /  | Með léttri lund verður        |
>      ,--'    _,'   | Dagurinn í dag                     |
>     /       /       | Enn betri en gærdagurinn  |
>    (   -.  |        `-----------------------------------'
>    |     ) |         (\_ _/)
>   (`-.  '--.)       (='.'=)   ♖♘♗♕♔♙
>    `. )----'        (")_(") ☃☠
>



-- 
Björn Helgason, Verkfræðingur
Fornustekkum II
781 Hornafirði,
t-póst: [email protected]
gsm: +3546985532
twitter: @flugfiskur
http://groups.google.com/group/J-Programming


Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari einfaldleikans

góður kennari getur stigið á tær án þess að glansinn fari af skónum
          /|_      .-----------------------------------.
         ,'  .\  /  | Með léttri lund verður        |
     ,--'    _,'   | Dagurinn í dag                     |
    /       /       | Enn betri en gærdagurinn  |
   (   -.  |        `-----------------------------------'
   |     ) |         (\_ _/)
  (`-.  '--.)       (='.'=)   ♖♘♗♕♔♙
   `. )----'        (")_(") ☃☠
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm

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