the reason I asked about left to right, is that this is the @. way:
0:`-:@.(0>])`+: @.(0<])"0 i:5
_2.5 _2 _1.5 _1 _0.5 0 2 4 6 8 10
if =. @.
else =. `
0: else -:if (0>])else +: if (0<])"0 i:5
_2.5 _2 _1.5 _1 _0.5 0 2 4 6 8 10
'0'"_ else ('<'"_) if (0>])else ('>'"_) if (0<])"0 i:5
<<<<<0>>>>>
----- Original Message -----
From: Pascal Jasmin <godspiral2...@yahoo.ca>
To: "programm...@jsoftware.com" <programm...@jsoftware.com>
Cc:
Sent: Tuesday, February 4, 2014 7:39:32 AM
Subject: Re: [Jprogramming] 'if' and 'else' operators
There is:
'0><' {~ * i:5
<<<<<0>>>>>
and the verb: ([ {~ *@]) could be called selectnounfrom01_1
When selecting among expressions you should look at @. for if. do. u else. v ,
and ^:boolean for if. do.u else y
I can think of syntactic sugar for if else as you put it to verbs/expressions,
but does it have to be parsed left to right to be readable?
----- Original Message -----
From: Michal Wallace <michal.wall...@gmail.com>
To: programm...@jsoftware.com
Cc:
Sent: Tuesday, February 4, 2014 3:48:15 AM
Subject: [Jprogramming] 'if' and 'else' operators
('O' if (=0:) else ('<' if (<0:) else '>'))"0 i:5
<<<<<O>>>>>
There are nicer ways to make this output,
but how would you code 'if' and 'else' above?
Or... 'if'/'then'/'else' below, if you prefer?
a =: assert
a 4 1 0 2 4 -: if (<0:) then (*: else +:) i:2
a 4 1 0 2 4 -: (if (<0:) then (*: else +:)) i:2
a (if ] then (| else -.)) 1 1 0 0 1 0 1 0
a if ] then (| else -.) 1 1 0 0 1 0 1 0
My versions are here:
https://github.com/tangentstorm/tangentlabs/blob/master/j/syntax.ijs
Thoughts? :)
-Michal
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