[m-rev.] for review: compile time evaluation of string.count_codepoints

[Julien Fischer]

On Tue, Sep 17, 2013 at 4:38 PM, Peter Wang <novalazy at gmail.com> wrote:

> On Tue, 17 Sep 2013 02:30:43 +1000 (EST), Julien Fischer <
> jfischer at opturion.com> wrote:
> >
> > For review by anyone.
> >
> > -----------
> >
> > Compile time evaluation of string.count_codepoints.
> >
> > compiler/const_prop.m:
> >      Do compile time evaluation of string.count_codepoints where
> possible.
> >
> >      Fix an old error in a comment: functions with two arguments are
> >      binary, not unary.
> >
> > Julien.
>
> I'm curious about the motivation for this.
>

Which one, fixing the incorrect comment or doing compile time evaluation of
count_codepoints?  ;-)

There's no really strong motivation other than that I noticed that some
code that I was working on
G12 would be smaller if we did the above substitution (because it enables
further simplifications
to take place).

Cheers,
Julien.
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