On Wednesday, 2 April 2014 at 19:02:29 UTC, Simen Kjærås wrote:
Better ideas, please?

--
  Simen

I only skimmed through your post, but have you tried taking a look at adjoin? Preferably, the version in head? Something like "adjoin!(repeat!(fun, N))" seems to natively do what you are asking for?

I'll re-read your post later tonight, and if I'm misunderstood, I'll try to provide a better solution.

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