Minor refactoring.

src/cradle.rs

@@ -114,7 +114,7 @@ impl Cradle {
 
     // Parse command line argument to --command into a vector of strings suitable
     // for process::Command::new().
-    pub fn parse(input: &str) -> Vec<String> {
+    pub fn parse(input: String) -> Vec<String> {
         let mut command: Vec<String> = Vec::new();
         let mut segment: String = String::new();
         let mut quoted = false;

src/lib.rs

@@ -17,6 +17,7 @@
 
 extern crate signal_hook;
 extern crate termion;
+extern crate unicode_segmentation;
 mod alarm;
 mod buffer;
 mod clock;
@@ -362,8 +363,7 @@ impl Config {
         };
         let mut iter = args.skip(1);
 
-        loop {
-            if let Some(arg) = iter.next() {
+        while let Some(arg) = iter.next() {
             match arg.as_str() {
                 "-h" | "--help" => {
                     // Print usage information and exit
@@ -382,8 +382,7 @@ impl Config {
                 "-q" | "--quit" => config.quit = true,
                 "-e" | "--exec" => {
                     if let Some(cmd) = iter.next() {
-                            //config.command = Some(Config::parse_to_command(&e));
-                            config.commands.add(Cradle::parse(&cmd));
+                        config.commands.add(Cradle::parse(cmd));
                     } else {
                         return Err(format!("Missing parameter to \"{}\".", arg));
                     }
@@ -399,9 +398,6 @@ impl Config {
                     }
                 }
             }
-            } else {
-                break;
-            } // All command line parameters processed.
         }
         Ok(config)
     }

src/utils.rs

@@ -15,7 +15,6 @@
 // You should have received a copy of the GNU General Public License
 // along with Kitchentimer.  If not, see <https://www.gnu.org/licenses/>.
 
-extern crate unicode_segmentation;
 use unicode_segmentation::UnicodeSegmentation;
 
 pub fn grapheme_truncate(input: &mut String, limit: usize, ellipse: char) {