Re: [Haskell-cafe] Please tell me this function exists

On Wed, Dec 17, 2008 at 7:36 PM, Brian Hurt wrote:

I know it's not hard to write, but still:

concat :: String -> [String] -> String concat _ [] = "" concat _ [x] = x concat sep x:xs = x ++ sep ++ (concat sep xs)

I've got to be stupid and missing it in the standard libraries. Please tell me where. Thanks.

Just hoogle the type: http://haskell.org/hoogle/?hoogle=String+-%3E+[String]+-%3E+String and see the first hit. regards, Bas