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Re^4: Problems with map(function, array)

by Redei (Initiate)
on Dec 12, 2012 at 13:58 UTC ( #1008503=note: print w/ replies, xml ) Need Help??

in reply to Re^3: Problems with map(function, array)
in thread Problems with map(function, array)

Thank you for the suggestions. I should have been using strict and warnings, of course. Maybe then I would have seen more easily where my problem was.

I don't have Conway's book, so I can't see in what context he recommends using the block (rather than the expression) form of map. But I do have reasons for wanting the expression form:

  • It's legal syntax, so it should be useable. (And it is, of course, if you don't make the kind of mistake I did.)
  • It's more elegant for a single-parameter function. At least I think so.

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