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ActiveSupport::CoreExtensions::Range::IncludeRange

Check if a Range includes another Range.

Public Instance Methods

include_with_range?(value) click to toggle source

Extends the default Range#include? to support range comparisons.

(1..5).include?(1..5) # => true
(1..5).include?(2..3) # => true
(1..5).include?(2..6) # => false

The native Range#include? behavior is untouched.

("a".."f").include?("c") # => true
(5..9).include?(11) # => false
# File lib/active_support/core_ext/range/include_range.rb, line 18
def include_with_range?(value)
  if value.is_a?(::Range)
    operator = exclude_end? ? :< : :<=
    end_value = value.exclude_end? ? last.succ : last
    include?(value.first) && (value.last <=> end_value).send(operator, 0)
  else
    include_without_range?(value)
  end
end

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