RetainedEffectImpl

RetainedEffectImpl.kt

private class RetainedEffectImpl(
    private val effect: RetainedEffectScope.() -> RetainedEffectResult
) : RetainObserver {
    private var onRetire: RetainedEffectResult? = null

    override fun onRetained() {
        onRetire = InternalRetainedEffectScope.effect()
    }

    override fun onRetired() {
        onRetire?.retire()
        onRetire = null
    }

    override fun onEnteredComposition() {
        // Do nothing.
    }

    override fun onExitedComposition() {
        // Do nothing.
    }
}