Add verbose flag and complex getter

src/args.rs

@@ -1,4 +1,4 @@
-use clap::{App, AppSettings, ArgMatches};
+use clap::{App, AppSettings, ArgMatches, Arg};
 
 #[cfg(test)]
 use clap::Result;
@@ -14,6 +14,13 @@ fn build() -> App<'static, 'static> {
         .global_setting(AppSettings::ColoredHelp)
         .global_setting(AppSettings::GlobalVersion)
         .global_setting(AppSettings::StrictUtf8)
+        .arg(Arg::with_name("verbose")
+            .global(true)
+            .short("v")
+            .long("verbose")
+            .help("Show verbose output")
+            .multiple(true)
+        )
 }
 
 
@@ -25,3 +32,8 @@ pub fn get_matches() -> ArgMatches<'static> {
 pub fn get_matches_for(args : Vec<String>) -> Result<ArgMatches<'static>> {
     return build().get_matches_from_safe(args);
 }
+
+pub fn get_verbose(m : ArgMatches) -> u64 {
+    let sub = m.subcommand_matches(&m.subcommand_name().unwrap()).unwrap();
+    m.occurrences_of("verbose") + sub.occurrences_of("verbose")
+}

src/main.rs

@@ -7,5 +7,5 @@ mod args;
 mod tests;
 
 fn main() {
-    let matches = args::get_matches();
+    args::get_matches();
 }