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-rw-r--r--activesupport/lib/active_support/core_ext/range/include_range.rb8
1 files changed, 8 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/range/include_range.rb b/activesupport/lib/active_support/core_ext/range/include_range.rb
index cd53cf154a..9a7d235695 100644
--- a/activesupport/lib/active_support/core_ext/range/include_range.rb
+++ b/activesupport/lib/active_support/core_ext/range/include_range.rb
@@ -7,6 +7,14 @@ module ActiveSupport #:nodoc:
base.alias_method_chain :include?, :range
end
+ # 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
def include_with_range?(value)
if value.is_a?(::Range)
operator = exclude_end? ? :< : :<=