Add sample for filter

libraries/stdlib/common/src/generated/_Arrays.kt

@@ -3590,6 +3590,8 @@ public inline fun CharArray.dropWhile(predicate: (Char) -> Boolean): List<Char>
 
 /**
  * Returns a list containing only elements matching the given [predicate].
+ * 
+ *  @sample samples.collections.Collections.Filtering.filter
  */
 public inline fun <T> Array<out T>.filter(predicate: (T) -> Boolean): List<T> {
     return filterTo(ArrayList<T>(), predicate)

libraries/stdlib/common/src/generated/_Collections.kt

@@ -699,6 +699,8 @@ public inline fun <T> Iterable<T>.dropWhile(predicate: (T) -> Boolean): List<T>
 
 /**
  * Returns a list containing only elements matching the given [predicate].
+ * 
+ * @sample samples.collections.Collections.Filtering.filter
  */
 public inline fun <T> Iterable<T>.filter(predicate: (T) -> Boolean): List<T> {
     return filterTo(ArrayList<T>(), predicate)

libraries/stdlib/common/src/generated/_Sequences.kt

@@ -375,6 +375,8 @@ public fun <T> Sequence<T>.dropWhile(predicate: (T) -> Boolean): Sequence<T> {
  * Returns a sequence containing only elements matching the given [predicate].
  *
  * The operation is _intermediate_ and _stateless_.
+ *
+ *  @sample samples.collections.Collections.Filtering.filter
  */
 public fun <T> Sequence<T>.filter(predicate: (T) -> Boolean): Sequence<T> {
     return FilteringSequence(this, true, predicate)