Use an implicit impl instead of get_name.

build.rs

@@ -88,22 +88,24 @@ fn write_timezone_file(timezone_file: &mut File, table: &Table) {
 }}\n\n").unwrap();
 
     write!(timezone_file,
-"pub fn get_name(tz: &Tz) -> &'static str {{
-    match *tz {{\n").unwrap();
+"impl Tz {{
+    pub fn name(self: &Tz) -> &'static str {{
+        match *self {{\n").unwrap();
     for zone in &zones {
         let zone_name = convert_bad_chars(zone);
         write!(timezone_file,
-               "        Tz::{zone} => \"{raw_zone_name}\",\n",
+               "            Tz::{zone} => \"{raw_zone_name}\",\n",
                zone = zone_name,
                raw_zone_name = zone).unwrap();
     }
     write!(timezone_file,
-"    }}
+"        }}
+    }}
 }}\n\n").unwrap();
     write!(timezone_file,
 "impl Debug for Tz {{
     fn fmt(&self, f: &mut Formatter) -> Result<(), Error> {{
-        write!(f, \"{{}}\", get_name(&self))
+        write!(f, \"{{}}\", self.name())
     }}
 }}\n\n").unwrap();
     write!(timezone_file,

src/lib.rs

@@ -147,7 +147,7 @@ mod timezones;
 mod directory;
 
 pub use directory::*;
-pub use timezones::{Tz, get_name};
+pub use timezones::Tz;
 
 #[cfg(test)]
 mod tests {
@@ -166,7 +166,6 @@ mod tests {
     use super::Pacific::Tahiti;
     use super::US::Eastern;
     use super::Tz;
-    use super::get_name;
     use chrono::{TimeZone, Duration};
 
     #[test]
@@ -367,9 +366,9 @@ mod tests {
 
     #[test]
     fn test_get_name() {
-        assert_eq!(get_name(&London), "Europe/London");
-        assert_eq!(get_name(&Tz::Africa__Abidjan), "Africa/Abidjan");
-        assert_eq!(get_name(&Tz::UTC), "UTC");
-        assert_eq!(get_name(&Tz::Zulu), "Zulu");
+        assert_eq!(London.name(), "Europe/London");
+        assert_eq!(Tz::Africa__Abidjan.name(), "Africa/Abidjan");
+        assert_eq!(Tz::UTC.name(), "UTC");
+        assert_eq!(Tz::Zulu.name(), "Zulu");
     }
 }