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http4scats-effect
٩(๑^o^๑)۶
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Hello!
!
!#
Scala"
% (&)
' $
ZOZO Tech
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●
● cats effect
● http4s
● Tagless final
+..+♪ (●’∀’●)♪+..+
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● dysangelist/scala_kansai_demo
@github
+..+♪(●’∀’●)♪+..+
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Scala(/0#+
● #+-7Java2.6 ,3"
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● '$%
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● 57&)*)!!8
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●
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01(*
. )-4
● *. #'+
● %-!*./
● & $ , "3 2
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Cats Effect
2
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Cats Effect
● 7 23Cats8.IO)%$: 1" '
*! 5/ * &*+-
● 9ZIOHaskellIOMonix Task6
● Type Level04(,#
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! Future-
● Future #(Future **)
● &$ Futureside-effectful
● %()"
! ! !
● + left identity
'
,
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http4s
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http4s
● Fs2IO http
(Framework
● Service As KleisliServer As Stream
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+<
● Play! $' ! API- )#) %! !!
● Finagle – Twitter Future/1
● Finch - ↑ :58Effect23 .*4
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● AkkaHTTP ← Spray,6.
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● Colossus ???? &("
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● Chaos ??? 0<
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Tagless final
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Tagless Final
● $ '%End Of The World
● "
(Eff, Free
● ↑ !&#
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● Principle of Least Power
●
●
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Application
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-26 *7
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'# :
https://github.com/dysangelist/scala_kansai_demo
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●
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Algebra①
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●
%#)!
'
● Type "$& (
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Algebra②
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Algebra③
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● *(Algebra '"$ &% # ! +
● - .Aggregate-DDD,
)
.
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Algebra④
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Logic①
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● Logic, Algebra
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Logic②
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②
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● Service/Router Logic
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③
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④
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●
!!
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Representation
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● Algebra
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Representation②
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●
InMemory
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Representation③
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●
InMemory
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● HttpService[F]Kleisli[OptionT[F, ?], Request[F], Response[F]]
alias
●
IntelliJcombineK
Service?
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4
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● FW%#%&(), 1.Separation
of Concerns
● " ! ' $
03/
● http4sOpinionated
2*
● +-
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~fin~
Any questions?