[Haskell-beginners] Beginners Digest, Vol 45, Issue 35

franco00 at gmx.com franco00 at gmx.com
Wed Mar 28 09:39:15 CEST 2012


gah sorry I obviously meant to reply to the "Unique integers in a list" message



----- Original Message -----
From: franco00 at gmx.com
Sent: 03/28/12 09:36 AM
To: beginners at haskell.org
Subject: Re: Beginners Digest, Vol 45, Issue 35

unique :: [Integer] -> [Integer]
 unique [] = []
 unique (x:xs) | elem x xs = (unique . filter (/= x)) xs
 | otherwise = x : unique xs

 -- This is a simpler to read version (albeit inefficient?)
 unique :: [Integer] -> [Integer]
 unique [] = []
 unique (x:xs) | elem x xs = unique xs
 | otherwise = x : unique xs
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