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class State(
var label: Int = 0,
var result: Any? = null
)
fun saveUserTasks(userId: Int, state: State) {
when (state.label) {
0 -> {
val user = loadUser(userId)
println("user loaded")
state.result = user
// pause execution
}
1 -> {
// resume execution
val user = state.result as User
val tasks = loadTasks(user)
println("tasks loaded")
state.result = tasks
// pause execution
}
2 -> {
// resume execution
val tasks = state.result as List<Task>
saveTasks(tasks)
}
}
}
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