Formatting: Auto-show lists

dwijnand · dwijnand · commit c87bd056f501 · 2022-05-04T11:19:34.000+01:00
diff --git a/compiler/src/dotty/tools/dotc/printing/Formatting.scala b/compiler/src/dotty/tools/dotc/printing/Formatting.scala
@@ -99,6 +99,8 @@ object Formatting {
         val sep = StringContext.processEscapes(rawsep)
         if (rest.nonEmpty) (arg.map(showArg).mkString(sep), rest.tail)
         else (arg, suffix)
+      case arg: Seq[?] =>
+        (arg.map(showArg).mkString("[", ", ", "]"), suffix)
       case _ =>
         (showArg(arg), suffix)
     }

Original file line number	Diff line number	Diff line change
`@@ -99,6 +99,8 @@ object Formatting {`
`99`	`99`	`val sep = StringContext.processEscapes(rawsep)`
`100`	`100`	`if (rest.nonEmpty) (arg.map(showArg).mkString(sep), rest.tail)`
`101`	`101`	`else (arg, suffix)`
	`102`	`+ case arg: Seq[?] =>`
	`103`	`+ (arg.map(showArg).mkString("[", ", ", "]"), suffix)`
`102`	`104`	`case _ =>`
`103`	`105`	`(showArg(arg), suffix)`
`104`	`106`	`}`