parallel map in Kotlin

pmap.kt

import kotlinx.coroutines.async
import kotlinx.coroutines.runBlocking
import kotlinx.coroutines.coroutineScope
import kotlinx.coroutines.awaitAll

suspend fun <A, B> Iterable<A>.pmap(f: suspend (A) -> B): List<B> = coroutineScope {
    map { async { f(it) } }.awaitAll()
}