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

Paul, I'm sorry, I ignored the "PrettyPrint" part and latched onto the "faster" part. You definitely don't want concat. I was looking at run-time. :) /jve On Fri, Aug 15, 2008 at 9:35 AM, Paul Keir wrote:

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@gmail.com on behalf of John Van Enk Sent: Fri 15/08/2008 14:31 To: Paul Keir Cc: haskell-cafe@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

...

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

-- /jve