lib/tzinfo/timezone.rb in tzinfo-1.2.1 vs lib/tzinfo/timezone.rb in tzinfo-1.2.2

@@ -165,23 +165,23 @@
     # 'Etc/GMT').
     # 
     # Returns TimezoneProxy objects to avoid the overhead of loading Timezone
     # definitions until a conversion is actually required.        
     def self.all_country_zones
-      Country.all_codes.inject([]) {|zones,country|
+      Country.all_codes.inject([]) do |zones,country|
         zones += Country.get(country).zones
-      }
+      end.uniq
     end
     
     # Returns all the zone identifiers defined for all Countries. This is not the
     # complete set of zone identifiers as some are not country specific (e.g. 
     # 'Etc/GMT'). You can obtain a Timezone instance for a given identifier
     # with the get method.
     def self.all_country_zone_identifiers
-      Country.all_codes.inject([]) {|zones,country|
+      Country.all_codes.inject([]) do |zones,country|
         zones += Country.get(country).zone_identifiers
-      }
+      end.uniq
     end
     
     # Returns all US Timezone instances. A shortcut for 
     # TZInfo::Country.get('US').zones.
     #
@@ -622,14 +622,15 @@
       # identifiers.
       def self.get_proxies(identifiers)
         identifiers.collect {|identifier| get_proxy(identifier)}
       end
       
-      # Returns the current DataSource
+      # Returns the current DataSource.
       def self.data_source
         DataSource.get
       end
 
+      # Raises an UnknownTimezone exception.
       def raise_unknown_timezone
         raise UnknownTimezone, 'TZInfo::Timezone constructed directly'
       end
   end        
 end