[Haskell-cafe] Re: Reinvention

[Jon Fairbairn]

Andrew Coppin <andrewcoppin at btinternet.com> writes:

> I seem to be forever writing code that looks like this:
> 
> decode :: String -> (SKI,String)
> decode (c:cs) = case c of
>   'S' -> (S,cs)
>   'K' -> (K,cs)
>   'I' -> (I,cs)
>   '*' -> let (e0,cs0) = decode cs; (e1,cs1) = decode cs1 in (e0 :@: e1, cs1)

This looks like parsing to me.

-- 
Jón Fairbairn                                 Jon.Fairbairn at cl.cam.ac.uk