Merge pull request #11387 from dotty-staging/fix-IArray.from

Fix signature of IArray.from

Author: nicolasstucki

library/src/scala/IArray.scala

@@ -427,18 +427,18 @@ object IArray:
   /** Build an array from the iterable collection.
    *
    *  {{{
-   *  scala> val a = Array.from(Seq(1, 5))
-   *  val a: Array[Int] = Array(1, 5)
+   *  scala> val a = IArray.from(Seq(1, 5))
+   *  val a: IArray[Int] = IArray(1, 5)
    *
-   *  scala> val b = Array.from(Range(1, 5))
-   *  val b: Array[Int] = Array(1, 2, 3, 4)
+   *  scala> val b = IArray.from(Range(1, 5))
+   *  val b: IArray[Int] = IArray(1, 2, 3, 4)
    *  }}}
    *
    *  @param  it the iterable collection
    *  @return    an array consisting of elements of the iterable collection
    */
-  def from[A : ClassTag](it: IterableOnce[A]): Array[A] =
-    Array.from(it)
+  def from[A : ClassTag](it: IterableOnce[A]): IArray[A] =
+    unsafeFromArray(Array.from(it))
 
   def newBuilder[T](using t: ClassTag[T]): Builder[T, IArray[T]] =
     ArrayBuilder.make[T].mapResult(IArray.unsafeFromArray)