Improve error message

odersky · odersky · commit 62a57073475f · 2018-06-03T17:07:46.000+02:00
diff --git a/compiler/src/dotty/tools/dotc/reporting/diagnostic/messages.scala b/compiler/src/dotty/tools/dotc/reporting/diagnostic/messages.scala
@@ -1577,7 +1577,7 @@ object messages {
     private val varNote =
       if (sym.is(Mutable)) "Note that variables need to be initialized to be defined."
       else ""
-    val msg = hl"""only classes can have declared but undefined members"""
+    val msg = hl"""declaration of $sym not allowed here: only classes can have declared but undefined members"""
     val kind = "Syntax"
     val explanation = s"$varNote"
   }

Original file line number	Diff line number	Diff line change
`@@ -1577,7 +1577,7 @@ object messages {`
`1577`	`1577`	`private val varNote =`
`1578`	`1578`	`if (sym.is(Mutable)) "Note that variables need to be initialized to be defined."`
`1579`	`1579`	`else ""`
`1580`		`- val msg = hl"""only classes can have declared but undefined members"""`
	`1580`	`+ val msg = hl"""declaration of $sym not allowed here: only classes can have declared but undefined members"""`
`1581`	`1581`	`val kind = "Syntax"`
`1582`	`1582`	`val explanation = s"$varNote"`
`1583`	`1583`	`}`