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Think about Loose Coupling

Re^2: Just Another Godel, Escher, Bach hacker

by FoxtrotUniform (Prior)
on Jun 25, 2004 at 23:01 UTC ( #369762=note: print w/replies, xml ) Need Help??

in reply to Re: Just Another Godel, Escher, Bach hacker
in thread Just Another Godel, Escher, Bach hacker

Nice summary! (readmore is spoily)

You missed a subtlety about godel, though. What it's actually doing is nesting anonymous calls to the sub returned by escher, which do the extraction from @U. The whole thing returns a sub, which calls more subs nested in the closure, and so on, and so on; that's the part I think is cool.

godel is equivalent to foldr in Language::Functional (or Haskell, for that matter); escher is the combining function, and sub {"\n"} is the start value.

F o x t r o t U n i f o r m
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% man 3 strfry

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Re^3: Just Another Godel, Escher, Bach hacker
by diotalevi (Canon) on Jun 26, 2004 at 04:53 UTC

    So if perl were Haskell, what else would you have here?

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