lib/ruby-measurement/unit.rb in ruby-measurement-1.2.0 vs lib/ruby-measurement/unit.rb in ruby-measurement-1.2.1

@@ -54,9 +54,13 @@
     
     def self.[](unit_name)
       @definitions[unit_name.to_s.downcase]
     end
     
+    def self.names
+      @definitions.keys
+    end
+    
     private
     
     def self.[]=(unit_name, unit)
       @definitions[unit_name.to_s.downcase] = unit
     end