Re: [Haskell-cafe] zip3, zip4 ... -> zipn?

On Sat, Aug 11, 2007 at 09:58:05AM +0200, Frank Buss wrote:

Is it possible to write a function like this:

zipn n list_1 list_2 list_3 ... list_n

which implements zip3 for n=3, zip4 for n=4 etc.? Looks like variable number of arguments are possible, like printf shows, so a general zipn should be possible, too. If it is possible, why there are functions like zip5 and not just zipn?

I prefer to do n-ary zips this way: zipApply = zipWith ($) x = repeat (,,) `zipApply` [1,2,3] `zipApply` ["a", "bc", "de"] `zipApply` [1.0, 1.2..] Best regards Tomek