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Improve performance for addAll with type check for Collection

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Ilya Ryzhenkov
2014-06-09 14:51:05 +04:00
committed by Andrey Breslav
parent 65da4cb2fb
commit 132f2a5fa8
1 changed files with 4 additions and 1 deletions
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libraries/stdlib/src/kotlin/collections/MutableCollections.kt
+4 -1
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@@ -4,7 +4,10 @@ package kotlin
* Adds all elements of the given *iterable* to this [[MutableCollection]] * Adds all elements of the given *iterable* to this [[MutableCollection]]
*/ */
public fun <T> MutableCollection<in T>.addAll(iterable: Iterable<T>): Unit { public fun <T> MutableCollection<in T>.addAll(iterable: Iterable<T>): Unit {
for (e in iterable) add(e) when (iterable) {
is Collection -> addAll(iterable)
else -> for (e in iterable) add(e)
}
} }
public fun <T> MutableCollection<in T>.addAll(stream: Stream<T>): Unit { public fun <T> MutableCollection<in T>.addAll(stream: Stream<T>): Unit {