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Regexps are already closures via the ??{ construct. You just can't jump back into regexp because the engine isn't re-entrant (though I hear it works a bit - I seem to fall over all the nasty bits). What I'm really pining for are:

  • Grammars for binary data (P::RD chokes)
  • Being able to locally redefine the language
  • Getting full access to the VM and in a meaningful way since perl5's VM is so clunky to work with
  • Junctions!
  • Lazy pipelining
  • Co-routines

And I want these not because they're cool but because at various points I could have made my own code simpler, more efficient or had some otherwise significant improvement.


In reply to Re: Re: Re: Favorite Perl 6 feature? by diotalevi
in thread Favorite Perl 6 feature? by zby

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