Re: Converting list comprehensions to Standard ML

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From	Brian Adkins <lojicdotcom@gmail.com>
Newsgroups	comp.lang.functional
Subject	Re: Converting list comprehensions to Standard ML
Date	Sat, 04 Jun 2011 19:54:38 -0400
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Thomas Thiel <thomas.thiel13@freenet.de> writes:

> [...]
>
> infix 1 >>=
> infix 2 when
>
> fun upTo n       =   List.tabulate (n+1, fn x => x)
>
> fun xs >>= f     =   List.concat (map f xs)
>
> fun a when b     =   if b then [a] else []
>
>
> fun lc predicate = 
>   upTo 4 >>= (fn r => 
>   upTo r >>= (fn c => (r,c) when (predicate (r, c))))

Thanks - I'll experiment with that.

-- 
Brian Adkins
http://lojic.com/

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Thread

Converting list comprehensions to Standard ML Brian Adkins <lojicdotcom@gmail.com> - 2011-05-21 18:21 -0400
  Re: Converting list comprehensions to Standard ML Brian Adkins <lojicdotcom@gmail.com> - 2011-05-22 12:56 -0400
    Re: Converting list comprehensions to Standard ML torbenm@diku.dk (Torben Ægidius Mogensen) - 2011-05-23 10:46 +0200
    Re: Converting list comprehensions to Standard ML Thomas Thiel <thomas.thiel13@freenet.de> - 2011-05-28 23:31 +0200
      Re: Converting list comprehensions to Standard ML Brian Adkins <lojicdotcom@gmail.com> - 2011-06-04 19:54 -0400
  Re: Converting list comprehensions to Standard ML torbenm@diku.dk (Torben Ægidius Mogensen) - 2011-05-23 14:33 +0200
    Re: Converting list comprehensions to Standard ML torbenm@diku.dk (Torben Ægidius Mogensen) - 2011-05-23 17:48 +0200
      Re: Converting list comprehensions to Standard ML Brian Adkins <lojicdotcom@gmail.com> - 2011-05-25 17:08 -0400

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