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@knightpop
Created November 5, 2017 14:23
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/**
* Use cats applicative
*/
import cats.syntax.all._
import cats.instances.future._
val start3: Instant = Instant.now
val fUserInfo3 = for {
nickname <- getNicknameById(userId)
(email, account) <- (getEmailAddressByNickname(nickname) |@| getAccountInfoByNickname(nickname)).tupled
} yield UserInfo(userId, nickname, email, account)
val userInfo3: UserInfo = Await.result(fUserInfo3, 10 second)
val end3: Instant = Instant.now
println(printInterval(userInfo3, start3, end3)) // UserInfo(31337,ktz,helloworld@example.com,None) take 5 seconds
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