> From: Roger Hui <[EMAIL PROTECTED]>
>
> Remove the extra parens in a comparison between
> ;: 5!:5 <'f' and ;: 5!:6 <'f'
It is a good idea (except maybe for train spaces).
I thought it is sort of like diff, but I think the problem
would be that the map brackets are on different levels and
don't contract synchronously in the same column.
> ----- Original Message -----
> From: Oleg Kobchenko
> Date: Wednesday, July 30, 2008 13:25
> Subject: Re: [Jgeneral] tracing tacit definition execution
> To: General forum
>
> > I've been thinking about the paren representation too.
> >
> > If it were possible to remove the parens yet leaving its
> > map brackes, it would provide even better combination of
> > structure and clarity. Here it is illustrated manually.
> > I don't yet have an idea how it could be automated.
> >
> > Here I use "fetch" from S: as an example.
> >
> > map
> > 5!:5<'fetch' NB. linear map
> > >@({&>/)@(<"0@|[EMAIL PROTECTED] , <@])"1 _
> > └────┘ └──────────────┘
> >
> > map
> > 5!:6<'fetch' NB. paren map with paren removed
> > >@({&>/)@(<"0@|[EMAIL PROTECTED] , <@])"1 _
> >
> > └─┘
> > └─┘
> > └────┘
> > └────┘ └──────┘ └─┘
> > └──────┘ └──────────────┘
> > └───────────────────────┘
> > NB. original paren map
> > map 5!:6<'fetch'
> > ((>@(({&>)/))@((((<"0)@|.)@[) , (<@])))"1 _
> > └───┘
> > └───┘
> > └────────┘
> > └──────┘
> > └────────────┘ └───┘
> > └──────────┘
> > └──────────────────────┘
> > └─────────────────────────────────────┘
> >
> >
> > Also map can be applied to explicit definitions:
> >
> > ;<@map;._2,&LF 5!:5<'map'
> > 3 :
> > 0
> > (9!:6 '') map
> > y
> > └───────┘
> > :
> > b=. (i.->./t) > >
> > └───────┘ └──────────┘
> > y , (2 #.\"(1) 0,.b) { ' ',6 8
> > 10{x
> >
> > └─┘
> >
> > └──────────────┘
> > )
> >
> >
> >
> > > From: Roger Hui
> > >
> > > map=: 3 : 0
> > > (9!:6 '') map y
> > > :
> > > b=. (i.->./t) > y , (2 #.\"(1) 0,.b) { ' ',6 8 10{x
> > > )
> > >
> > > f=: [: (#~ (0 ~: 1&{"1))@; <@(0&{ ,. 1&{ ([EMAIL PROTECTED] ,. (] +//.
> > ["0) ,. [ * [EMAIL PROTECTED])
> > > 2&}.)"1
> > >
> > > map 5!:5 <'f'
> > > [: (#~ (0 ~: 1&{"1))@; <@(0&{ ,. 1&{ ([EMAIL PROTECTED] ,. (] +//. ["0)
> > ,. [ * [EMAIL PROTECTED]) 2&}.)"1
> > > └──────────┘
> > >
>
> > >
> > └──────────┘ └───────────────────────────────┘
> > > └───────────────┘
> > └─────────────────────────────────────────────────┘
> > >
> > > map ' ~:/\ @ (''())))'' = ])'
> > > ~:/\ @ ('())))' = ])
> > > └───────────┘
> > >
> > > map 5!:5 <'assert'
> > > 0 0"_ $ 13!:8^:((0: e. ])`(12"_))
> > > └───────┘ └────┘
> > > └────────────────┘
> > > map 5!:6 <'assert'
> > > (0 0"_) $ ((13!:8)^:(((0:) e. ])`(12"_)))
> > > └──┘
> > > └─────────┘ └────┘
> > > └─────┘ └──────────────────┘
> > > └─────┘ └─────────────────────────────┘
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: Raul Miller
> > > Date: Wednesday, July 30, 2008 9:32
> > > Subject: Re: [Jgeneral] tracing tacit definition execution
> > > To: General forum
> > >
> > > > On 7/30/08, Roger Hui wrote:
> > > > > map=: 3 : 0
> > > > > (9!:6 '') map y
> > > > > :
> > > > > b=. (i.->./t) > > > y , (2 #.\"(1) 0,.b) { '
> > ',6 8 10{x
> > > > > )
> > > >
> > > > This is very nice, however:
> > > > map 'b=. (i.->./t) > > b=. (i.->./t) >
> > >
> > > >
> > └───────┘ └┘
> > > >
> > > > And parenthesis within quotes can be unbalanced and
> > > > can appear between balanced parenthesis.
> > > >
> > > > Quoted parenthesis could be eliminated by replacing '()' i. with
> > > > something like ('()'&i. >. 2 * ~:/\@:=&'''')
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