From 9723194cb94d8c85fd05a01e79afa7637f4dd6b0 Mon Sep 17 00:00:00 2001
From: kamoshi <18511281+kamoshi@users.noreply.github.com>
Date: Mon, 9 Dec 2019 22:24:54 +0100
Subject: [PATCH] Update OpCode4.scala

---
 2019/Scala/intcode/opcode/OpCode4.scala | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/2019/Scala/intcode/opcode/OpCode4.scala b/2019/Scala/intcode/opcode/OpCode4.scala
index b179a9b..74a647a 100644
--- a/2019/Scala/intcode/opcode/OpCode4.scala
+++ b/2019/Scala/intcode/opcode/OpCode4.scala
@@ -1,13 +1,15 @@
 package intcode.opcode
 
-/** Output */
-case object OpCode4 extends Output
+/** Output
+ *  Outputs the value of its only parameter.
+ */
+case object OpCode4 extends OpCode
 {
   /** length of an instruction */
   override val length: Int = 2
 
   /** Executes instruction for given parameters and modes */
-  override def output(tape: Array[Long], relative: Long, param1: Long, mode1: Int): Long =
+  def output(tape: Array[Long], relative: Long, param1: Long, mode1: Int): Long =
   {
     accessor(relative, param1, mode1, tape)
   }