Fix target standard stream for error in sample

docopt · Mar 29, 2022 · bd6f0d4 · bd6f0d4
1 parent 244e107
commit bd6f0d4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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)
 {