Add String as a proper Elm library, remove alias to [Char]

libraries/Basics.elm

@@ -49,8 +49,6 @@ which happen to be radians.
 
 import Native.Basics
 
-type String = [Char]
-
 {-| Convert radians to standard Elm angles (radians). -}
 radians : Float -> Float
 radians t = t

libraries/String.elm

@@ -0,0 +1,133 @@
+module String where
+{-| A built-in representation of String for effecient string manipulation.
+-}
+
+import Native.String as Native
+import Maybe
+
+data String = String
+
+{-|
+-}
+isEmpty : String
+isEmpty = Native.isEmpty
+
+{-|
+-}
+cons : Char -> String -> String
+cons = Native.cons
+
+{-|
+-}
+uncons : String -> Maybe (Char, String)
+uncons = Native.uncons
+
+{-|
+-}
+map : (Char -> Char) -> String -> String
+map = Native.map
+
+{-|
+-}
+filter : (Char -> Bool) -> String -> String
+filter = Native.filter
+
+{-|
+-}
+reverse : String -> String
+reverse = Native.reverse
+
+{-|
+-}
+foldl : (Char -> b -> b) -> b -> String -> b
+foldl = Native.foldl
+
+{-|
+-}
+foldr : (Char -> b -> b) -> b -> String -> b
+foldr = Native.foldr
+
+{-|
+-}
+split : String -> String -> [String]
+split = Native.split
+
+{-|
+-}
+join : String -> [String] -> String
+join = Native.join
+
+{-|
+-}
+repeat : Int -> String -> String
+repeat = Native.repeat
+
+{-|
+-}
+center : Int -> Char -> String -> String
+center = Native.center
+
+{-|
+-}
+justifyLeft : Int -> Char -> String -> String
+justifyLeft = Native.justifyLeft
+
+{-|
+-}
+justifyRight : Int -> Char -> String -> String
+justifyRight = Native.justifyRight
+
+{-|
+-}
+trim : String -> String
+trim = Native.trim
+
+{-|
+-}
+trimLeft : String -> String
+trimLeft = Native.trimLeft
+
+{-|
+-}
+trimRight : String -> String
+trimRight = Native.trimRight
+
+{-|
+-}
+words : String -> [String]
+words = Native.words
+
+{-|
+-}
+unwords : [String] -> String
+unwords = Native.unwords
+
+{-|
+-}
+lines : String -> [String]
+lines = Native.lines
+
+{-|
+-}
+unlines : [String] -> String
+unlines = Native.unlines
+
+{-|
+-}
+toUpper : String -> String
+toUpper = Native.toUpper
+
+{-|
+-}
+toLower : String -> String
+toLower = Native.toLower
+
+{-|
+-}
+any : (Char -> Bool) -> String -> Bool
+any = Native.any
+
+{-|
+-}
+all : (Char -> Bool) -> String -> Bool
+all = Native.all