Improving Data.Char.isSpace performance

Johan Tibell johan.tibell at
Wed Oct 31 03:42:58 CET 2012

On Tue, Oct 30, 2012 at 7:33 PM, John MacFarlane <jgm at> wrote:
> So, the question is whether it's worth submitting the patch for
> isSpace, given that the gains are more modest than I'd reported
> before.  (Note that 'words' will also be affected by this, as
> it uses isSpace.)  I have attached the proposed patch to this
> email.

I say go for it. You probably want to attach the patch to a ticket on
Trac so it doesn't get lost.

-- Johan

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