locality.rb in gman-7.0.3

- old
+ new

@@ -1,5 +1,7 @@
+# frozen_string_literal: true
+
 class Gman
   # Second level .us domains for states and locality
   # See http://en.wikipedia.org/wiki/.us
   #
   # Examples:
@@ -10,29 +12,29 @@
   #  * state.foo.il.us
   #  * foo.ci.il.us
   #  * k12.il.us
   #  * ci.foo.zx.us
   class Locality
-    AFFINITY_NAMESPACES = %w(state dst cog).freeze
+    AFFINITY_NAMESPACES = %w[state dst cog].freeze
 
-    STATES = %w(
+    STATES = %w[
       ak al ar az ca co ct dc de fl ga hi ia id il in ks ky
       la ma md me mi mn mo ms mt nc nd ne nh nj nm nv ny oh
       ok or pa ri sc sd tn tx um ut va vt wa wi wv wy
-    ).freeze
+    ].freeze
 
-    LOCALITY_DOMAINS = %w(
+    LOCALITY_DOMAINS = %w[
       ci co borough boro city county
       parish town twp vi vil village
-    ).freeze
+    ].freeze
 
     REGEX = /
       (
         (#{Regexp.union(AFFINITY_NAMESPACES)})
       |
         (#{Regexp.union(LOCALITY_DOMAINS)})\.[a-z-]+
       )\.(#{Regexp.union(STATES)})\.us
-    /x
+    /x.freeze
 
     def self.valid?(domain)
       !domain.to_s.match(Locality::REGEX).nil?
     end
   end