From bd6f0d4bbfe495a60e52f0ead58e8ccf07106488 Mon Sep 17 00:00:00 2001
From: Atif Aziz <code@raboof.com>
Date: Tue, 29 Mar 2022 22:21:47 +0200
Subject: [PATCH] Fix target standard stream for error in sample

---
 eg/NavalFate/Program.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/eg/NavalFate/Program.cs b/eg/NavalFate/Program.cs
index 64303cd3..f2803481 100644
--- a/eg/NavalFate/Program.cs
+++ b/eg/NavalFate/Program.cs
@@ -25,7 +25,7 @@ naval_fate.exe mine (set|remove) <x> <y> [--moored | --drifting]
 
 static int ShowHelp(string help) { Console.WriteLine(help); return 0; }
 static int ShowVersion(string version) { Console.WriteLine(version); return 0; }
-static int OnError(string usage) { Console.WriteLine(usage); return 1; }
+static int OnError(string usage) { Console.Error.WriteLine(usage); return 1; }
 
 static int Run(IDictionary<string, ArgValue> arguments)
 {