If a pattern is missing print the extractors needed

nicolasstucki · nicolasstucki · commit 6507d252346d · 2018-06-06T15:54:11.000+02:00
diff --git a/library/src/scala/tasty/util/ShowSourceCode.scala b/library/src/scala/tasty/util/ShowSourceCode.scala
@@ -533,6 +533,9 @@ 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
`@@ -533,6 +533,9 @@ class ShowSourceCode[T <: Tasty with Singleton](tasty0: T) extends Show[T](tasty`
`533`	`533`	`this += "_: "`
`534`	`534`	`printTypeOrBoundsTree(tpt)`
`535`	`535`
	`536`	`+ case _ =>`
	`537`	`+ throw new MatchError(pattern.show)`
	`538`	`+`
`536`	`539`	`}`
`537`	`540`
`538`	`541`	`def printConstant(const: Constant): Buffer = const match {`