Check if Ranges overlap.
Compare two ranges and see if they overlap eachother
(1..5).overlaps?(4..6) # => true (1..5).overlaps?(7..9) # => false
[Source]
# File vendor/rails/activesupport/lib/active_support/core_ext/range/overlaps.rb, line 9 9: def overlaps?(other) 10: include?(other.first) || other.include?(first) 11: end
[Validate]