[Haskell-beginners] Eq a => [a]->[a]
I. J. Kennedy
jack at realmode.com
Wed Dec 2 19:47:54 EST 2009
I am looking for a function
f::Eq a => [a]->[a]
that takes a list and returns the longest
initial segment of the list for which all
the elements are distinct.
For example f [2,3,6,4,3,5] = [2,3,6,4].
I didn't see anything that matched using Hoogle,
but I thought this might be a common enough
operation that this function might exists somewhere
in the standard packages.
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