Support regexes for routes about scotty HOT 4 CLOSED

The problem with this approach is it will require type signatures for routes. Since we're using OverloadedStrings, there would be no way for Haskell to know how to interpret this:

get "/hello"

It requires writing this instead:

get ("/hello" :: Text)

...yuck.

So as I see it there are a few options:

• Introduce general functions like fget, fpost etc that behave like specified above, and leave the existing get, post etc functions alone. So fget is to get as fmap is to map.

• Introduce a new function getr that works for regexes only:

  getr :: Regex -> ActionM () -> ScottyM()

Which I don't like as much because it feels like we don't get as much for crowding the namespace.

If we decide to go with either of those approaches, we'll have to choose a regex library to add as a dependency. I wish Haskell had a standard regex library :P

The final option is to ignore regexes and just support wildcards *. Thoughts?

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Hi Aditya.

I've implemented a Regex routes using a new datatype. Have a look and see if you like it. I've sent a pull request, but it would be good to get someone else to have a look.

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See my comments inline. Looks great, I'd like to get this merged in!

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Added in commit f5a99eb. Closing.

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