Lessons
Haskell · Easy
Haskell · Easy. Ten lessons. Open-book quizzes. Lesson 1 free.
10 lessons · The Host · Lesson 1 free
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Lesson 1 · On the house
Algebraic data
Products and sums.

Lesson 2
Maybe and Either
Errors as values.

Lesson 3
Functor Applicative intro
fmap and pure.

Lesson 4
Monads sketch
>>= and do.

Lesson 5
typeclasses
Overloading.

Lesson 6
modules
export lists.

Lesson 7
folds
foldr vs foldl'.

Lesson 8
IO hygiene
Separate pure core.

Lesson 9
QuickCheck sketch
Property tests.

Lesson 10
Easy capstone
ADT + area.
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