[Haskell-cafe] Pretty Print, text or ++?

Paul Keir pkeir at dcs.gla.ac.uk
Fri Aug 15 09:35:47 EDT 2008


Thanks,

So you're recommending:

text (concat [a,b,c,d,e])

Might this not transform my pretty printing into ugly printing; when longer strings are used?

Paul


-----Original Message-----
From: sw17ch at gmail.com on behalf of John Van Enk
Sent: Fri 15/08/2008 14:31
To: Paul Keir
Cc: haskell-cafe at haskell.org
Subject: Re: [Haskell-cafe] Pretty Print, text or ++?
 
Paul,

Something tells me you might want to look at `concat':

concat :: [[a]] -> [a]

/jve


2008/8/15 Paul Keir <pkeir at dcs.gla.ac.uk>

>  Hi there,
>
> I'm writing a pretty printer using the Text.PrettyPrint library, and
> there's a pattern I'm coming across quite often. Does anyone know whether,
>
> text (a ++ b ++ c ++ d)
> or
> text a <+> text b <+> text c <+> text d
>
> runs quicker?
>
> Cheers,
> Paul
>
> _______________________________________________
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>
>


-- 
/jve

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