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authorXavier Noria <fxn@hashref.com>2011-12-30 02:18:07 -0800
committerXavier Noria <fxn@hashref.com>2011-12-30 02:25:00 -0800
commit0814e745b777f6eae000d098b127f4f0a9f6cb20 (patch)
treece0d42c4728f0aa3f5edd9c3d956d90af4a9ccc9
parent71f59b72fec12834645d9cc0d6dc61f15dcfde68 (diff)
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adds a comments that clarifies why Range#include? chooses the comparison operator
-rw-r--r--activesupport/lib/active_support/core_ext/range/include_range.rb1
1 files changed, 1 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 38a90490e6..684b7cbc4a 100644
--- a/activesupport/lib/active_support/core_ext/range/include_range.rb
+++ b/activesupport/lib/active_support/core_ext/range/include_range.rb
@@ -9,6 +9,7 @@ class Range
# (5..9).include?(11) # => false
def include_with_range?(value)
if value.is_a?(::Range)
+ # 1...10 includes 1..9 but it does not include 1..10.
operator = exclude_end? && !value.exclude_end? ? :< : :<=
include_without_range?(value.first) && value.last.send(operator, last)
else