use more efficient fromProductTyped

bishabosha · bishabosha · commit 1ed93ccf11ba · 2020-12-18T12:25:42.000+01:00
diff --git a/library/src/scala/Tuple.scala b/library/src/scala/Tuple.scala
@@ -229,7 +229,7 @@ object Tuple {
     scala.runtime.Tuple.fromProduct(product)
 
   def fromProductTyped[P <: Product](p: P)(using m: scala.deriving.Mirror.ProductOf[P]): m.MirroredElemTypes =
-    Tuple.fromArray(p.productIterator.toArray).asInstanceOf[m.MirroredElemTypes] // TODO use toIArray of Object to avoid double/triple array copy
+    scala.runtime.Tuple.fromProduct(p).asInstanceOf[m.MirroredElemTypes]
 }
 
 /** A tuple of 0 elements */

Original file line number	Diff line number	Diff line change
`@@ -229,7 +229,7 @@ object Tuple {`
`229`	`229`	`scala.runtime.Tuple.fromProduct(product)`
`230`	`230`
`231`	`231`	`def fromProductTyped[P <: Product](p: P)(using m: scala.deriving.Mirror.ProductOf[P]): m.MirroredElemTypes =`
`232`		`- Tuple.fromArray(p.productIterator.toArray).asInstanceOf[m.MirroredElemTypes] // TODO use toIArray of Object to avoid double/triple array copy`
	`232`	`+ scala.runtime.Tuple.fromProduct(p).asInstanceOf[m.MirroredElemTypes]`
`233`	`233`	`}`
`234`	`234`
`235`	`235`	`/** A tuple of 0 elements */`