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Fixes #20 - Add note to Instructor Notes for composed fmap

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Sean Chalmers 2018-02-12 10:20:59 +10:00
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INSTRUCTOR_NOTES.md
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@ -89,6 +89,13 @@ But that's about it.
Exceptions will be discussed when working on the 'readObject' function to load
the file into a JSON Value.
Mention and work through the type signature of:
- ``fmap . fmap``
Students start to encounter multiple ``Functor`` layers around this level and
this technique comes in handy.
# Level 6
This is "The ReaderT" level.