Origami, a monadic fold library for Scala
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Origami Monadic folds for Scala Eric Torreborre ScalaSyd ™ @charlesofarrell
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Transcript of Origami, a monadic fold library for Scala
Origami
Monadic folds for Scala
Eric TorreborreScalaSyd
™ @charlesofarrell
composition?reuse?
performance?
safety?
No exception, please!
finalization
foldinitia
lization state
stream fold
monadic context
zip
functor
contra-functor
for breaking out
side-effects!
natural transformation
closes resource!
fold with IO side-effects
sum=0,string=foldssum=5,string=aresum=8,string=great
sum=0,string=foldssum=5,string=aresum=8,string=great
observeWithState
Operators…
compositionreuse
performance
safety
implicits
break-out
monadic “fold”
not battle-teste
d!
http://www.haskellforall.com/2013/08/composable-streaming-folds.html
http://conal.net/blog/posts/another-lovely-example-of-type-class-morphisms
https://www.fpcomplete.com/user/edwardk/cellular-automata/part-2
http://squing.blogspot.com.au/2008/11/beautiful-folding.html
http://notes.backgroundsignal.com/Transducers.html
Thanks!
