[Haskell-cafe] ????Pattern match(es) are overlapped???
S. Alexander Jacobson
alex at alexjacobson.com
Mon Mar 22 14:14:56 EST 2004
I actually ended up using a lookup list e.g.
which has the convenience of being able to put a
501 "Not Implemented" in an obvious place.
I'll post the code shortly. My goal is to form
the core of a generically useful HTTP
haskell server library.
On Mon, 22 Mar 2004, Ketil Malde wrote:
> "Arjan van IJzendoorn" <afie at cs.uu.nl> writes:
> >> newtype Method = Method String
> >> getMethod = Method "GET"
> >> putMethod = Method "PUT"
> >> doMeth getMethod = ...
> >> doMeth putMethod = ...
> > You will have to write:
> > doMeth (Method "GET") = ...
> > doMeth (Method "PUT") = ...
> Or (I assume, haven't tested) if you insist on renaming the methods:
> doMeth m | m == getMethod = ...
> | m == putMethod = ...
> (or using a case statement, of course)
> If I haven't seen further, it is by standing in the footprints of giants
S. Alexander Jacobson mailto:me at alexjacobson.com
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