From e367f1a866b3680ae303eb2a5bb962229cc18cd7 Mon Sep 17 00:00:00 2001
From: Olafur Pall Geirsson <lgeirsson@twitter.com>
Date: Mon, 20 Apr 2020 16:13:26 +0000
Subject: [PATCH] Use line-by-line translation of Ansi.java

---
 .../src/main/scala/munit/internal/console/AnsiColors.scala  | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/munit/shared/src/main/scala/munit/internal/console/AnsiColors.scala b/munit/shared/src/main/scala/munit/internal/console/AnsiColors.scala
index 0f0ebd74..dad6004d 100644
--- a/munit/shared/src/main/scala/munit/internal/console/AnsiColors.scala
+++ b/munit/shared/src/main/scala/munit/internal/console/AnsiColors.scala
@@ -23,8 +23,8 @@ object AnsiColors {
     if (s == null) {
       null
     } else {
-      val r = new StringBuilder()
       val len = s.length
+      val r = new java.lang.StringBuilder(len)
       var i = 0
       while (i < len) {
         val c = s.charAt(i)
@@ -32,11 +32,11 @@ object AnsiColors {
           i += 1
           while (i < len && s.charAt(i) != 'm') i += 1
         } else {
-          r += c
+          r.append(c)
         }
         i += 1
       }
-      r.mkString
+      r.toString()
     }
   }