Few tweaks after delivering course 5, and be more precise in TP3

slides/course-04.md

@@ -491,7 +491,7 @@ data Authenticated
 -- @type@ defines aliases (shortcuts)
 type UserWithAuthStatus a = User
 
-authenticate' :: User -> String -> UserWithAuthStatus Authenticated
+authenticate' :: User -> String -> Either String (UserWithAuthStatus Authenticated)
 authenticate' = undefined
 ```
 

tps/TP3.hs

@@ -18,8 +18,8 @@ main = do
 -- 1/ Define a type representing URLs you can enter in a browser address bar,
 --    i.e. strings of the form:
 --    - http://www.google.fr
---    - google.fr
---    - reddit.com/r/haskell
+--    - https://github.com/dmjio/miso/pulls
+--    - http://reddit.com/r/haskell
 -- 2/ Write a parser from String to your URL type. Its return type must be
 --    Either String MyType. The 'Left' case is the error message. Write tests.
 -- 3/ We now want to do URL filtering, to grant/forbid access to an URL
@@ -38,4 +38,5 @@ main = do
 -- 5/ Generalize your filter: allow them to be whitelist, i.e. an URL
 --    passes the filter only if matches the filter. Write tests.
 --
--- Use https://hoogle.haskell.org/ to find the functions you need
+-- Use https://hoogle.haskell.org/ to find the functions you need, for example splitOn:
+-- https://hackage.haskell.org/package/split-0.2.5/docs/Data-List-Split.html#v:splitOn