diff options
| author | Pramod Sharma <pramod_sharma@outlook.com> | 2014-09-25 19:48:26 +0530 |
|---|---|---|
| committer | Pramod Sharma <pramod_sharma@outlook.com> | 2014-09-25 19:48:26 +0530 |
| commit | f5a906005b06326f4afb75b5f8577437f7a24654 (patch) | |
| tree | ca889ec171666d7b19c531f7a117b3cfeea2716b /activesupport | |
| parent | 25f5af7f3f2695b0a8c33e2fce7fcd2bd630ece1 (diff) | |
| download | rails-f5a906005b06326f4afb75b5f8577437f7a24654.tar.gz rails-f5a906005b06326f4afb75b5f8577437f7a24654.tar.bz2 rails-f5a906005b06326f4afb75b5f8577437f7a24654.zip | |
[ci skip] Add Doc of with_options for the case when inherited default options and original options have same keys
Diffstat (limited to 'activesupport')
| -rw-r--r-- | activesupport/lib/active_support/core_ext/object/with_options.rb | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/with_options.rb b/activesupport/lib/active_support/core_ext/object/with_options.rb index 42e87c4424..7d38e1d134 100644 --- a/activesupport/lib/active_support/core_ext/object/with_options.rb +++ b/activesupport/lib/active_support/core_ext/object/with_options.rb @@ -47,7 +47,21 @@ class Object # end # # <tt>with_options</tt> can also be nested since the call is forwarded to its receiver. - # Each nesting level will merge inherited defaults in addition to their own. + # + # NOTE: Each nesting level will merge inherited defaults in addition to their own. + # + # class Post < ActiveRecord::Base + # with_options if: :persisted?, length: { minimum: 50 } do + # validates :content, if: -> { content.present? } + # end + # end + # + # The code is equivalent to: + # + # validates :content, length: { minimum: 50 }, if: -> { content.present? } + # + # Hence the inherited default for `if` key is ignored. + # def with_options(options, &block) option_merger = ActiveSupport::OptionMerger.new(self, options) block.arity.zero? ? option_merger.instance_eval(&block) : block.call(option_merger) |