[web-devel] WAI routing?

[Stephen Paul Weber]

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Somebody claiming to be yi huang wrote:
>On Sat, Mar 17, 2012 at 11:06 AM, Stephen Paul Weber <
>singpolyma at singpolyma.net> wrote:
>I use plain case expression to do routing for my simple wai applications,
>ghc's desugar can make it more efficent than linear scan

Really?  That's interesting

>the code is like
>this:
>
>case (requestMethod req, pathInfo req) of
>    ("GET", []) -> index
>    ("GET", ["object", pk]) -> getObject pk
>    ("POST", ["object", pk]) -> jsonBody >>= updateObject pk
>    _ -> bad status404 "no route match"

Hmm, that may indeed solve many of my use cases, and is very nice looking.  
I assume this only works with -XOverloadedStrings, and that's why you can 
pattern match on Data.Text?

- -- 
Stephen Paul Weber, @singpolyma
See <http://singpolyma.net> for how I prefer to be contacted
edition right joseph
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