in reply to Re^2: (Sort of) poll: what Perl6 features do you consider {likely,desirable} to leak into P5?
in thread (Sort of) poll: what Perl6 features do you consider {likely,desirable} to leak into P5?

I'd like that ability too, but I seriously doubt it is possible.

Having (just) managed to work my way through the process of adding a new keyword, I have a new (but still basic) understanding of the process involved in toke.c.

I cannot imagine that it would be an easy task to allow the addition on new operators on the fly.

If the macro facility was added, then you might be able to define a few catchall keywords that would act as placeholders in the syntax. Say uniop() and binop() and then wrap those in macros to define an new operator. Not sure about that.

Examine what is said, not who speaks.
Silence betokens consent.
Love the truth but pardon error.
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Re^4: (Sort of) poll: what Perl6 features do you consider {likely,desirable} to leak into P5?
by blazar (Canon) on Mar 10, 2005 at 09:50 UTC
    Having (just) managed to work my way through the process of adding a new keyword, I have a new (but still basic) understanding of the process involved in toke.c.
    Hey, you can't give that hint without telling the whole thing: now I'm too curious. What is it? What is it about?
    If the macro facility was added, then you might be able to define a few catchall keywords that would act as placeholders in the syntax. Say uniop() and binop() and then wrap those in macros to define an new operator. Not sure about that.
    And even in that case it wouldn't have quite the same power Perl6's equivalents are supposed to have, e.g. in terms of user-definable priority. Unless a whole array of new uniop()s and binop()s are also defined, which seems rather awkward after all...
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      What is it? What is it about?

      I've implemented say. Would you care to test the patch for me?

      It's built against the perl5.8.6 sources from CPAN. I don't have bandwidth to stay current with bleedperl.

      If a few other people would care to try this for me, drop me an email addy by /msg and I'll forward the patch.

      It's all of 63 lines. I guess I could post it here if that would be easier?

      Examine what is said, not who speaks.
      Silence betokens consent.
      Love the truth but pardon error.
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        As I have been trying to do the same thing (with much less free time), I'd love to see what you did. I'll test the patch.

        Being right, does not endow the right to be rude; politeness costs nothing.
        Being unknowing, is not the same as being stupid.
        Expressing a contrary opinion, whether to the individual or the group, is more often a sign of deeper thought than of cantankerous belligerence.
        Do not mistake your goals as the only goals; your opinion as the only opinion; your confidence as correctness. Saying you know better is not the same as explaining you know better.

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        I've implemented say. Would you care to test the patch for me?
        [SNIP]
        It's all of 63 lines. I guess I could post it here if that would be easier?
        Personally I don't have much time, but if you post it here I am quite sure that people would receive it positively. I thought you were part of p5p or working along with someone of them. Why don't you try contacting them?
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