Re: Not R5RS, but GUILE

[Han-Wen Nienhuys]

I guess we'll have to name it inc or something.  Can you talk to the
GUILE guys about this to get some background?

thanks!


On Thu, Dec 18, 2008 at 12:53 PM, Bertalan Fodor (LilyPondTool)
<address@hidden> wrote:
> Unfortunately +1 is neither an R5RS identifier.
>
> identifier: (letter|special_initial) subsequent* | + | - | ...
> special_initial: ! | $ | % | & | * | / | : | < | = | > | ? | ^ | _ | ~
>
> "In general, a sequence of letters, digits, and "extended alphabetic
> characters" is an identifier when it begins with a character that cannot
> begin a representation of a number object. In addition, +, -, and ... are
> identifiers"
>
>
>
> Han-Wen Nienhuys wrote:
>
> Can you also voice this concern on the guile devel list?
>
> I think the reason the function exists is that is slightly more
> efficient.  Feel free to define a +1 function and change lily to use
> it.
>
> On Thu, Dec 18, 2008 at 11:21 AM, Bertalan Fodor (LilyPondTool)
> <address@hidden> wrote:
>
>
> Hi,
>
> I found that many places you use the procedure 1+. Besides that how
> ridiculous I think is to have a function that spares a "space" (1+ instead
> of (+ 1, the real concern is that it doesn't conform to R5RS. R5RS doesn't
> allow identifiers to start with a number.
> I know that GUILE allows it (I wonder why).
> But my Scheme parser (Julie) is stricter then Guile in this sense, so it
> won't be able to parse LilyPond-supported SCM files. I want to parse them.
> Could you change the (1+ calls to (+ 1?
>
> It's just a question about your opinion.
>
> Bert
>
>
>
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>
>
>
>



-- 
Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen