Yesod: Ignore Trailing URL Slashes

Just a note if you need / want to remove the redirects of yesod (a Haskell web framework) from http://myhost.com/ to http://myhost.com. You can find the below instance declaration in Foundation.hs if you’re using the scaffold. If not, you’ll know where it is, because you put it there :)

    instance Yesod App where
        cleanPath _ pieces = Right $ filter (not . ((==) "")) piece

This ignores any trailing slashes (and duplicates as well), so that all the following URLs will be considered the same as http://myhost/a/b

http://myhost/a/b/
http://myhost//a//b
http://myhost/a/b//
http://myhost/a/b

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