expose Control.Monad.join

I think I've been looking for that function for some time.
Ie, I remember wanting to collapse Just Nothing to Nothing.
This commit is contained in:
Joey Hess 2013-04-22 20:24:53 -04:00
parent 2a84deb271
commit 8a2d1988d3
19 changed files with 30 additions and 32 deletions

View file

@ -156,7 +156,7 @@ url2file url pathdepth = case pathdepth of
| otherwise -> error "bad --pathdepth"
where
fullurl = uriRegName auth ++ uriPath url ++ uriQuery url
frombits a = join "/" $ a urlbits
frombits a = intercalate "/" $ a urlbits
urlbits = map (filesize . escape) $ filter (not . null) $ split "/" fullurl
auth = fromMaybe (error $ "bad url " ++ show url) $ uriAuthority url
filesize = take 255