Sounds very interesting -- I also read a bit on the supercomma (see below) -- I wonder how these will all fit together -- and I'll try to help find out :)

Now, about the zip() issue, these are the sources:

• Just semicolons, no mention of parameters: S04
• Parameters, general discussion, weave() - see the 4 links after "Supercomma!" (it is an old discussion though).
• Another example with parameters and commas:
  

  for zip(@colors=>2, @textures=>1) -> $color1, $color2, $texture {
      $mix = blend($color1, $color2);
      draw_circle($mix, $texture);
  }
  [download]

  (source: Perl 6 and Parrot Essentials, 2nd edition, 4.3.2.3)

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