me.aartikov.sesame.loop.Next.kt Maven / Gradle / Ivy

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package me.aartikov.sesame.loop

/**
 * Represents an output of [Reducer]. Contains new state and side effects. Null state means no changes.
 */
data class Next(val state: StateT?, val effects: List)


/**
 * Helper method to create [Next]
 */
fun  next(state: StateT, vararg effects: EffectT?): Next {
    return Next(state, effects.toList().filterNotNull())
}

fun  next(state: StateT): Next {
    return Next(state, emptyList())
}

fun  effects(vararg effects: EffectT?): Next {
    return Next(null, effects.toList().filterNotNull())
}

fun  nothing(): Next {
    return Next(null, emptyList())
}