A modern programming language that makes developers happier.

kotlinlang

An example of Clean Architecture with Koltin: <https://github.com/juan1393/CleanArchitecture-Kotlin>

<https://github.com/juan1393/CleanArchitecture-Kotlin/blob/master/app/src/main/java/com/github/juan1393/cleanArchitectureKotlin/domain/useCase/executor/MainThreadImpl.kt>

Domain layer must not know anything about outer layers, better move concrete implementation to presentation

<https://github.com/juan1393/CleanArchitecture-Kotlin/blob/master/app/src/main/java/com/github/juan1393/cleanArchitectureKotlin/domain/useCase/login/LoginUseCase.kt>

You use a lot of !! operator, this is very non kotlin way and also unsafe