[Haskell-cafe] what is [::]

Daniel van den Eijkel dvde at gmx.net
Wed Feb 18 10:28:28 EST 2009

Dear Haskellers,

please can anybody tell me what [::] means or where to read about it? A 
few days ago I saw this for the first time in my life, at the list of 
instances of the Functor class, and I don't know where to look for 
information. The search engines I tried didn't produce results for [::].


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