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A pure Kotlin, UI framework for the Web and Desktop

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package io.nacular.doodle.scheduler

import io.nacular.doodle.utils.Cancelable
import io.nacular.measured.units.Measure
import io.nacular.measured.units.Time
import io.nacular.measured.units.Time.Companion.milliseconds
import io.nacular.measured.units.times

/**
 * Created by Nicholas Eddy on 10/19/17.
 */

public interface Task: Cancelable {
    public val completed: Boolean
}

public interface Scheduler {
    public fun now  (                     job: (Measure) -> Unit): Task = after(0 * milliseconds, job)
    public fun after(time: Measure, job: (Measure) -> Unit): Task
    public fun every(time: Measure, job: (Measure) -> Unit): Task

    public suspend fun delay     (time     :  Measure)
    public suspend fun delayUntil(predicate: (Measure) -> Boolean)
}

public interface AnimationScheduler {
    public fun onNextFrame(job: (Measure) -> Unit): Task
}

// TODO: Move to a better location
// FIXME: Better name
public interface Strand {
    public operator fun invoke(jobs: Sequence<() -> Unit>): Task
    public operator fun invoke(jobs: Iterable<() -> Unit>): Task
}