main.rs: testing verbose output

Signed-off-by: Ralf Zerres <ralf.zerres@networkx.de>

src/main.rs

@@ -1,3 +1,9 @@
+/* advotracker infrastructure.
+ *
+ * Copyright 2019 Ralf Zerres <ralf.zerres@networkx.de>
+ * SPDX-License-Identifier: 0BSD
+ */
+
 #[macro_use]
 extern crate clap;
 extern crate locales;
@@ -37,6 +43,15 @@ fn main() {
         3 | _ => println!("Don't be crazy"),
     }
 
+    // You can handle information about subcommands by requesting their matches by name
+    // (as below), requesting just the name used, or both at the same time
+    if let Some(matches) = matches.subcommand_matches("test") {
+        if matches.is_present("debug") {
+            println!("Printing debug info...");
+        } else {
+            println!("Printing normally...");
+        }
+    }
 
     // Starting the program logic
     let res = t!("main.start", lang);