activesupport/lib/active_support/core_ext/range/overlaps.rb


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# frozen_string_literal: true
class Range
  # Compare two ranges and see if they overlap each other
  #  (1..5).overlaps?(4..6) # => true
  #  (1..5).overlaps?(7..9) # => false
  def overlaps?(other)
    cover?(other.first) || other.cover?(first)
  end
end