LoadingState.kt

inState<GithubState.Load> {
    onEnter { state: State<GithubState.Load> ->
        val owner = state.snapshot.owner
        githubRepository.repositoryByOwner(owner = owner).fold(
            ifLeft = {
                GithubState.Error(Throwable("Fail"), owner = owner)
            },
            ifRight = {
                GithubState.ContentState(repositories = it, owner = owner)
            }
        ).let { state.override { it } }
    }
}