tagless_presenter_delegation.kt

class RepositoryPresenter<F>(
    private val repositoryUseCase: RepositoryUseCase<F>,
    private val view: RepositoriesView,
    private val cancelableList: MutableList<Disposable> = mutableListOf()
) : Async<F> by repositoryUseCase {

    fun drawRepositories() : Kind<F, Unit> {
        val (kind, disposable) = bindingCancellable {
            val repos = repositoryUseCase.getRepositories().handleError {
                view.showGenericError()
                emptyList()
            }.bind()

            view.drawRepositories(repos)
        }

        cancelableList.add(disposable)
        return kind
    }

    fun onPause() {
        cancelableList.forEach { disposable -> disposable.invoke() }
    }
}