add --help -h

.travis.yml

@@ -4,9 +4,6 @@ d:
   - dmd
   - gdc
   - ldc
-addons:
+dub test --compiler=${DC} -- -h
-  apt:
+
-    packages:
-    - libsdl2-2.0-0
-    - libsdl2-image-2.0-0
 

SMILEBASIC/main.d

@@ -12,6 +12,12 @@ int main(string[] argv)
     bool nodirectmode;
     string inputfile;
     auto helpInformation = getopt(argv, "no-direct-mode", &nodirectmode, "file", &inputfile);
+    if (helpInformation.helpWanted)
+    {
+        defaultGetoptPrinter("Some information about the program.",
+                             helpInformation.options);
+        return 0;
+    }
     //try
     {
         auto pc = new PetitComputer();