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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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● '$%
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● 57&)*)!!8
●
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●
●
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01(*
.)-4
● *. #'+
● %-!*./
● &$,"32
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Cats Effect
2
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Cats Effect
● 723Cats8.IO)%$:1"'
*!5/*&*+-
● 9ZIOHaskellIOMonix Task6
● Type Level04(,#
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!Future-
● Future#(Future **)
● &$Futureside-effectful
● %()"
! ! !
● +left identity
'
,
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http4s
3
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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
9;
● 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
● % $!& "'#5
345(+
2
● ),persistence.in memoryHashMap)0
8DB91/
'# :
https://github.com/dysangelist/scala_kansai_demo
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●
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Algebra①
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●
%#)!
'
● Type"$&(
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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?