On Fri, Apr 22, 2011 at 11:52:32PM -0700, Tom Brow wrote:
> I noticed today that I can pattern match against lazy bytestrings when using
> the OverloadedStrings extension:
[..]
> Given that pattern matching is based on data constructors, how is it possible
> that (Chunk "abc Empty) and (Chunk "a" (
Surely `fromChunks` is making the both lines in the code snippet the same?
Also, in your last sentence I think you've miscalculated the shape of
the initial input.
Best wishes
Stephen
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I noticed today that I can pattern match against lazy bytestrings when using
the OverloadedStrings extension:
import Data.ByteString.Char8 ()
>
> import Data.ByteString.Lazy.Char8
>
>
>> f :: ByteString -> Bool
>
> f "abc" = True
>
> f _ = False
>
>
>> main = do
>
> print $ f $ fromChunks ["abc"]
