Workaround bug in String.valueOf(null) in some VMs

nicolasstucki · web-flow · commit df7c55901943 · 2018-04-13T11:29:42.000+02:00
diff --git a/library/src/dotty/Show.scala b/library/src/dotty/Show.scala
@@ -6,7 +6,7 @@ trait Show[T] {
 
 trait LowPrioShow {
   implicit def defaultShow[T]: Show[T] = new Show[T] {
-    def show(x: T) = String.valueOf(x)
+    def show(x: T) = if (x == null) "null" else x.toString
   }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -6,7 +6,7 @@ trait Show[T] {`
`6`	`6`
`7`	`7`	`trait LowPrioShow {`
`8`	`8`	`implicit def defaultShow[T]: Show[T] = new Show[T] {`
`9`		`- def show(x: T) = String.valueOf(x)`
	`9`	`+ def show(x: T) = if (x == null) "null" else x.toString`
`10`	`10`	`}`
`11`	`11`	`}`
`12`	`12`