vendor/rails/activesupport/lib/active_support/core_ext/range/include_range.rb

   1 module ActiveSupport #:nodoc:
   2   module CoreExtensions #:nodoc:
   3     module Range #:nodoc:
   4       # Check if a Range includes another Range.
   5       module IncludeRange
   6         def self.included(base) #:nodoc:
   7           base.alias_method_chain :include?, :range
   8         end
   9
  10         def include_with_range?(value)
  11           if value.is_a?(::Range)
  12             operator = exclude_end? ? :< : :<=
  13             end_value = value.exclude_end? ? last.succ : last
  14             include?(value.first) && (value.last <=> end_value).send(operator, 0)
  15           else
  16             include_without_range?(value)
  17           end
  18         end
  19       end
  20     end
  21   end
  22 end