System.FilePath propsal (Was: Cabal feedback notes)

[Krasimir Angelov]

--- Peter Simons <simons at cryp.to> wrote:
> I think the use of FilePath is not a good idea to
> begin
> with. A file path should be a data type something
> like this,
> IMHO:
> 
>   type Segment = String
>   data FilePath = Path [Segment]
>                 | RootedPath [Segment]
> 
> You shouldn't write slashes or backslashes which are
> converted later, you should use a, say :/: operator
> to build
> paths portably right from the start. 

I don't think I will be happy with that. Most of I/O
functions in Haskell uses FilePath as String. If we
use data type instead of String we need to pretty
print/parse the structure each time when we use it for
I/O.

Cheers,
  Krasimir


		
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