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The MONAD FACT
Slide Deck Series
a very simple rationale for the series
plus a list of currently available slide decks
@philip_schwarzslides by
https://www.slideshare.net/pjschwarz
Just a couple of slides being an entry point for the MONAD FACT series
of short slide decks.
The first slide is the very simple rationale for the series, and the second
slide is a list of the decks available so far.
I’ll be updating the index as I add new decks to the series.
@philip_schwarz
Functional Programming in Scala
(by Paul Chiusano and Runar Bjarnason)
There turns out to be a startling number of operations that can be defined in
the most general possible way in terms of sequence and/or traverse
An abstract topic like this can’t be fully understood all at once. It requires an iterative approach
where you keep revisiting the topic from different perspectives. When you discover new monads
or new applications of them, or see them appear in a new context, you’ll inevitably gain new
insight. And each time it happens, you might think to yourself, “OK, I thought I understood monads
before, but now I really get it.”
@pchiusano@runarorama
Each short slide deck in this series will cover one single
such perspective, application, context, or insight.
MONAD FACT slide decks available so far:
#1 Scala for comprehensions require a monad to be defined in terms of unit, map and flatMap
rather than simply in terms of unit and flatMap
#2 equivalence of nested flatMaps and chained flatMaps for Kleisli arrow composition
#3 how placing kleisli composition logic in flatMap permits composition of kleisli arrows using for comprehensions
and what that logic looks like in six different monads
#4 a monad is an implementation of one of the minimal sets of monadic combinators, satisfying the laws of
associativity and identity - see how compositional responsibilities are distributed in each combinator set
#5 a chain of monadic flatMap calls (or an equivalent for-comprehension) is like an imperative program with
statements that assign to variables and the monad specifies what occurs at statement boundaries
#6 a monad is an overloading of the semicolon
To fully enjoy the slide decks, make sure you download them: when viewed on the slideshare site they look grainy and out of focus, whereas
downloaded slides look nice and crisp, as they are meant to be seen.
The above slide decks are available at https://www.slideshare.net/pjschwarz

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The Monad Fact Slide Deck Series

  • 1. The MONAD FACT Slide Deck Series a very simple rationale for the series plus a list of currently available slide decks @philip_schwarzslides by https://www.slideshare.net/pjschwarz
  • 2. Just a couple of slides being an entry point for the MONAD FACT series of short slide decks. The first slide is the very simple rationale for the series, and the second slide is a list of the decks available so far. I’ll be updating the index as I add new decks to the series. @philip_schwarz
  • 3. Functional Programming in Scala (by Paul Chiusano and Runar Bjarnason) There turns out to be a startling number of operations that can be defined in the most general possible way in terms of sequence and/or traverse An abstract topic like this can’t be fully understood all at once. It requires an iterative approach where you keep revisiting the topic from different perspectives. When you discover new monads or new applications of them, or see them appear in a new context, you’ll inevitably gain new insight. And each time it happens, you might think to yourself, “OK, I thought I understood monads before, but now I really get it.” @pchiusano@runarorama Each short slide deck in this series will cover one single such perspective, application, context, or insight.
  • 4. MONAD FACT slide decks available so far: #1 Scala for comprehensions require a monad to be defined in terms of unit, map and flatMap rather than simply in terms of unit and flatMap #2 equivalence of nested flatMaps and chained flatMaps for Kleisli arrow composition #3 how placing kleisli composition logic in flatMap permits composition of kleisli arrows using for comprehensions and what that logic looks like in six different monads #4 a monad is an implementation of one of the minimal sets of monadic combinators, satisfying the laws of associativity and identity - see how compositional responsibilities are distributed in each combinator set #5 a chain of monadic flatMap calls (or an equivalent for-comprehension) is like an imperative program with statements that assign to variables and the monad specifies what occurs at statement boundaries #6 a monad is an overloading of the semicolon To fully enjoy the slide decks, make sure you download them: when viewed on the slideshare site they look grainy and out of focus, whereas downloaded slides look nice and crisp, as they are meant to be seen. The above slide decks are available at https://www.slideshare.net/pjschwarz