Formatting: Auto-show lists

dwijnand · dwijnand · commit 522a51c9610c · 2022-05-03T12:30:59.000+01:00
diff --git a/compiler/src/dotty/tools/dotc/printing/Formatting.scala b/compiler/src/dotty/tools/dotc/printing/Formatting.scala
@@ -106,6 +106,8 @@ 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
`@@ -106,6 +106,8 @@ object Formatting {`
`106`	`106`	`val sep = StringContext.processEscapes(rawsep)`
`107`	`107`	`if (rest.nonEmpty) (arg.map(showArg).mkString(sep), rest.tail)`
`108`	`108`	`else (arg, suffix)`
	`109`	`+ case arg: Seq[?] =>`
	`110`	`+ (arg.map(showArg).mkString("[", ", ", "]"), suffix)`
`109`	`111`	`case _ =>`
`110`	`112`	`(showArg(arg), suffix)`
`111`	`113`	`}`