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| author | Brian Christian <brchristian@gmail.com> | 2016-02-09 16:02:08 -0800 |
|---|---|---|
| committer | Brian Christian <brchristian@gmail.com> | 2016-02-09 16:02:08 -0800 |
| commit | c74045cf0771ab51dfeca94b30c447cab6193e60 (patch) | |
| tree | 277b16c5e586866a7284b63ac753035a7f81dd3e /activesupport/lib/active_support | |
| parent | b5eb2423b6e431ba53e3836d58449e7e810096b4 (diff) | |
| download | rails-c74045cf0771ab51dfeca94b30c447cab6193e60.tar.gz rails-c74045cf0771ab51dfeca94b30c447cab6193e60.tar.bz2 rails-c74045cf0771ab51dfeca94b30c447cab6193e60.zip | |
allow Array.penultimate and Array.antepenultiate access methods
Diffstat (limited to 'activesupport/lib/active_support')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/array/access.rb | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/array/access.rb b/activesupport/lib/active_support/core_ext/array/access.rb index 3177d8498e..e413acddc5 100644 --- a/activesupport/lib/active_support/core_ext/array/access.rb +++ b/activesupport/lib/active_support/core_ext/array/access.rb @@ -73,4 +73,18 @@ class Array def forty_two self[41] end + + # Equal to <tt>self[-3]</tt>. + # + # %w( a b c d e ).antepenultimate # => "c" + def antepenultimate + self[-3] + end + + # Equal to <tt>self[-2]</tt>. + # + # %w( a b c d e ).penultimate # => "d" + def penultimate + self[-2] + end end |