Merge "Add Iterable<T>.asyncForEach for SpaLib"

import kotlinx.coroutines.async

import kotlinx.coroutines.awaitAll

import kotlinx.coroutines.coroutineScope

import kotlinx.coroutines.launch

/**

 * Performs the given [action] on each element asynchronously.

 */

suspend inline fun <T> Iterable<T>.asyncForEach(crossinline action: (T) -> Unit) {

    coroutineScope {

        forEach {

            launch { action(it) }

        }

    }

}

/**

 * Returns a list containing the results of asynchronously applying the given [transform] function

 * to each element in the original collection.

 */

suspend inline fun <R, T> Iterable<T>.asyncMap(crossinline transform: (T) -> R): List<R> =

    coroutineScope {

        map { item ->

        }.awaitAll()

    }

/**

 * Returns a list containing only elements matching the given [predicate].

 *

 * The filter operation is done asynchronously.

 */

suspend inline fun <T> Iterable<T>.asyncFilter(crossinline predicate: (T) -> Boolean): List<T> =

    asyncMap { item -> item to predicate(item) }

        .filter { it.second }

        Modifier

            .padding(horizontal = SettingsDimension.itemPaddingEnd)

            .size(width = 1.dp, height = SettingsDimension.itemDividerHeight)

            .background(color = MaterialTheme.colorScheme.onSurface.copy(SettingsOpacity.Disabled))

            .background(color = MaterialTheme.colorScheme.onSurface.copy(SettingsOpacity.Divider))

    )

}