Make translators run in parallel.

1 files changed, 17 insertions, 0 deletions

diff --git a/core/src/main/kotlin/utilities/parallelCollectionOperations.kt b/core/src/main/kotlin/utilities/parallelCollectionOperations.kt
new file mode 100644
index 00000000..b3191e8b
--- /dev/null
+++ b/core/src/main/kotlin/utilities/parallelCollectionOperations.kt
@@ -0,0 +1,17 @@
+package org.jetbrains.dokka.utilities
+
+import kotlinx.coroutines.async
+import kotlinx.coroutines.awaitAll
+import kotlinx.coroutines.coroutineScope
+
+suspend inline fun <A, B> Iterable<A>.parallelMap(crossinline f: suspend (A) -> B): List<B> = coroutineScope {
+    map { async { f(it) } }.awaitAll()
+}
+
+suspend inline fun <A, B> Iterable<A>.parallelMapNotNull(crossinline f: suspend (A) -> B?): List<B> = coroutineScope {
+    map { async { f(it) } }.awaitAll().filterNotNull()
+}
+
+suspend inline fun <A> Iterable<A>.parallelForEach(crossinline f: suspend (A) -> Unit): Unit = coroutineScope {
+    map { async { f(it) } }.awaitAll()
+}