[Haskell-cafe] how can I select all the 3-element-combination out of a list efficiently

hi dear haskell lover ;) what I want to do is simply this: select3 :: [a] -> [(a, a, a)] and how can it be done efficiently? thanks in advance! -- View this message in context: http://www.nabble.com/how-can-I-select-all-the-3-element-combination-out-of-... Sent from the Haskell - Haskell-Cafe mailing list archive at Nabble.com.