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nebtrx/tg_styles.scala

Last active March 10, 2019 19:23
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Tagless Final Styles
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tg_styles.scala
// 1. Accessing algebras through Type Class(the Fake Type Class Jhon mentioned in his TF dead talk)
// instance for F
class Service {
def fetchUserInfo[F[_]: Concurrent: UserAlg: OrderAlg](id: UserId): F[UserInfo] = ???
}
// 2. Accessing algebras through interpreters dependencies
class Service[F[_]: Concurrent](u: UserAlg[F], o: OrderAlg[F]) extends ServiceAlg[F]{
def fetchUserInfo[F[_]: Concurrent](id: UserId): F[UserInfo] = ???
}
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