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Make your programs Free
Pawel Szulc
@rabbitonweb
Make your programs Free
Free Monads!
Free[S, A]
Free[S, A]
This is the program
Free[S, A]
This is the language
Free[S, A]
This is the type of a value it will produce (once it is run)
Let’s see it in action!
(aka Demo)
https://github.com/rabbitonweb/make-your-programs-free
Usage of Scalaz’s Task
class Task[+A](val get: Future[Throwable / A]) { .. }
Usage of Scalaz’s Task
class Task[+A](val get: Future[Throwable / A]) { .. }
def foo(input: Int): Future[String]
Usage of Scalaz’s Task
class Task[+A](val get: Future[Throwable / A]) { .. }
def foo(input: Int): Future[String]
def bar(intput: Int): Task[String]
Usage of Scalaz’s Task
class Task[+A](val get: Future[Throwable / A]) { .. }
def foo(input: Int): Future[String]
def bar(intput: Int): Task[String]
val f: Future[String] = foo(10)
val b: Task[String] = bar(20)
val s1: String = b.unsafePerformSync
Let’s see it in action!
(aka Demo)
https://github.com/rabbitonweb/make-your-programs-free
Input - Output
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Logging
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Can we have both?
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Manipulate Account
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Introducing: low level
machinery
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Compiling down to
lower-level language
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Make your programs Free
Free[S, A]
But I want to see a real world example!
https://github.com/quasar-analytics/quasar
Thank you for watching!
Pawel Szulc
@rabbitonweb
Thank you for watching!
Pawel Szulc
@rabbitonweb
paul.szulc@gmail.com
Thank you for watching!
Pawel Szulc
@rabbitonweb
paul.szulc@gmail.com
http://rabbitonweb.com
Thank you for watching!
Pawel Szulc
@rabbitonweb
paul.szulc@gmail.com
http://rabbitonweb.com
https://github.com/rabbitonweb/make-your-programs-free

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