If a pattern is missing print the extractors needed

nicolasstucki · nicolasstucki · commit 1c0c9e91c0e4 · 2018-05-31T13:12:16.000+02:00
diff --git a/library/src/scala/tasty/util/ShowSourceCode.scala b/library/src/scala/tasty/util/ShowSourceCode.scala
@@ -530,6 +530,9 @@ class ShowSourceCode[T <: Tasty with Singleton](tasty0: T) extends Show[T](tasty
         this += "_: "
         printTypeOrBoundsTree(tpt)
 
+      case _ =>
+        throw new MatchError(pattern.show)
+
     }
 
     def printConstant(const: Constant): Buffer = const match {

Original file line number	Diff line number	Diff line change
`@@ -530,6 +530,9 @@ class ShowSourceCode[T <: Tasty with Singleton](tasty0: T) extends Show[T](tasty`
`530`	`530`	`this += "_: "`
`531`	`531`	`printTypeOrBoundsTree(tpt)`
`532`	`532`
	`533`	`+ case _ =>`
	`534`	`+ throw new MatchError(pattern.show)`
	`535`	`+`
`533`	`536`	`}`
`534`	`537`
`535`	`538`	`def printConstant(const: Constant): Buffer = const match {`