From 9d6982c0ee8c8cfc432e97542376091efc01c121 Mon Sep 17 00:00:00 2001
From: Tomasz Godzik <tgodzik@virtuslab.com>
Date: Wed, 19 Jun 2024 16:09:17 +0200
Subject: [PATCH] improvement: Also print nested arrays

---
 .../src/main/scala-3/mdoc/internal/document/Printing.scala   | 4 ++--
 .../src/test/scala/tests/worksheets/WorksheetSuite.scala     | 5 +++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/runtime/src/main/scala-3/mdoc/internal/document/Printing.scala b/runtime/src/main/scala-3/mdoc/internal/document/Printing.scala
index a8de7dcde..77cae047f 100644
--- a/runtime/src/main/scala-3/mdoc/internal/document/Printing.scala
+++ b/runtime/src/main/scala-3/mdoc/internal/document/Printing.scala
@@ -14,9 +14,9 @@ object Printing {
     out.append(nullableToString(value).replace("\n", ""))
   }
 
-  inline private def nullableToString[T](value: T) = {
+  private def nullableToString[T](value: T): String = {
     value match
-      case arr: Array[_] => arr.mkString("Array(", ", ", ")")
+      case arr: Array[_] => arr.map(nullableToString).mkString("Array(", ", ", ")")
       case null => "null"
       case _ => value.toString()
   }
diff --git a/tests/worksheets/src/test/scala/tests/worksheets/WorksheetSuite.scala b/tests/worksheets/src/test/scala/tests/worksheets/WorksheetSuite.scala
index 319067ea0..bdfb0b729 100644
--- a/tests/worksheets/src/test/scala/tests/worksheets/WorksheetSuite.scala
+++ b/tests/worksheets/src/test/scala/tests/worksheets/WorksheetSuite.scala
@@ -76,11 +76,14 @@ class WorksheetSuite extends BaseSuite {
     """
       |val x = Array(1, 2, 3)
       |val y = Array("a", "b")
+      |val arrays = Array(Array(1, 2, 3), Array(2, 3, 4))
       |""".stripMargin,
     """|<val x = Array(1, 2, 3)> // : Array[Int] = Array...
        |x: Array[Int] = Array(1, 2, 3)
        |<val y = Array("a", "b")> // : Array[String] = Ar...
        |y: Array[String] = Array("a", "b")
+       |<val arrays = Array(Array(1, 2, 3), Array(2, 3, 4))> // : Array[Array[Int]] ...
+       |arrays: Array[Array[Int]] = Array(Array(1, 2, 3), Array(2, 3, 4))
        |""".stripMargin,
     compat = Map(
       Compat.Scala3 ->
@@ -88,6 +91,8 @@ class WorksheetSuite extends BaseSuite {
            |x: Array[Int] = Array(1, 2, 3)
            |<val y = Array("a", "b")> // : Array[String] = Ar...
            |y: Array[String] = Array(a, b)
+           |<val arrays = Array(Array(1, 2, 3), Array(2, 3, 4))> // : Array[Array[Int]] ...
+           |arrays: Array[Array[Int]] = Array(Array(1, 2, 3), Array(2, 3, 4))
            |""".stripMargin
     )
   )