timezone_transition_info.rb in tzinfo-0.3.36

- old
+ new

@@ -1,7 +1,7 @@
 #--
-# Copyright (c) 2006-2010 Philip Ross
+# Copyright (c) 2006-2012 Philip Ross
 # 
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
 # in the Software without restriction, including without limitation the rights
 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
@@ -96,22 +96,21 @@
     # Returns true if this TimezoneTransitionInfo is equal to the given
     # TimezoneTransitionInfo. Two TimezoneTransitionInfo instances are 
     # considered to be equal by == if offset, previous_offset and at are all 
     # equal.
     def ==(tti)
-      tti.respond_to?(:offset) && tti.respond_to?(:previous_offset) && tti.respond_to?(:at) &&
+      tti.kind_of?(TimezoneTransitionInfo) &&
         offset == tti.offset && previous_offset == tti.previous_offset && at == tti.at
     end
     
     # Returns true if this TimezoneTransitionInfo is equal to the given
     # TimezoneTransitionInfo. Two TimezoneTransitionInfo instances are 
     # considered to be equal by eql? if offset, previous_offset, 
     # numerator_or_time and denominator are all equal. This is stronger than ==,
     # which just requires the at times to be equal regardless of how they were
     # originally specified.
     def eql?(tti)
-      tti.respond_to?(:offset) && tti.respond_to?(:previous_offset) &&
-        tti.respond_to?(:numerator_or_time) && tti.respond_to?(:denominator) &&
+      tti.kind_of?(TimezoneTransitionInfo) &&
         offset == tti.offset && previous_offset == tti.previous_offset &&
         numerator_or_time == tti.numerator_or_time && denominator == tti.denominator        
     end
     
     # Returns a hash of this TimezoneTransitionInfo instance.