On Thu, 2008-02-21 at 10:06 +0100, Johan Tibell wrote: > Hi John! > > On Wed, Feb 20, 2008 at 3:39 PM, John Goerzen <[EMAIL PROTECTED]> wrote: > > 3) Would it make sense to base as much code as possible in the Haskell > > core areound ListLike definitions? Here I think of functions such > > as lines and words, which make sense both on [Char] as well as > > ByteStrings. > > I don't think the examples you gave (i.e. lines and words) make much > sense on ByteStrings. You would have to assume that the sequence of > bytes are in some particular Unicode encoding and thus words and lines > will break if they get passed a ByteString using a different encoding. > I don't think either of those two functions make sense on anything but > sequence of character types like String.
That's exactly what the Data.ByteString[.Lazy].Char8 modules provide, a Char8 view of a Bytestring. Those modules provide functions like words, lines etc that assume an ASCII compatible 8bit encoding. One day we'll have a separate type that does Unicode with a similar fast packed representation. Duncan _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe