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| author | Henrik N <henrik@nyh.se> | 2008-05-23 11:44:37 +0200 |
|---|---|---|
| committer | Henrik N <henrik@nyh.se> | 2008-05-23 11:44:37 +0200 |
| commit | 8072ebcacc642cc0e7937e61051b9fe05507f037 (patch) | |
| tree | d79a2dfa5cdd502eb62731166f7c44cbe93b7e41 | |
| parent | 88ef718361de56cd8900fd5c0a191e2ac420e680 (diff) | |
| download | rails-8072ebcacc642cc0e7937e61051b9fe05507f037.tar.gz rails-8072ebcacc642cc0e7937e61051b9fe05507f037.tar.bz2 rails-8072ebcacc642cc0e7937e61051b9fe05507f037.zip | |
Document Integer#even? and #odd? edge cases: zero and negative numbers.
| -rw-r--r-- | activesupport/lib/active_support/core_ext/integer/even_odd.rb | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/core_ext/integer/even_odd.rb b/activesupport/lib/active_support/core_ext/integer/even_odd.rb index cfc6b4c6d6..b1d1e28062 100644 --- a/activesupport/lib/active_support/core_ext/integer/even_odd.rb +++ b/activesupport/lib/active_support/core_ext/integer/even_odd.rb @@ -3,10 +3,14 @@ module ActiveSupport #:nodoc: module Integer #:nodoc: # For checking if a fixnum is even or odd. # - # 1.even? # => false - # 1.odd? # => true - # 2.even? # => true - # 2.odd? # => false + # 2.even? # => true + # 2.odd? # => false + # 1.even? # => false + # 1.odd? # => true + # 0.even? # => true + # 0.odd? # => false + # -1.even? # => false + # -1.odd? # => true module EvenOdd def multiple_of?(number) self % number == 0 |