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| author | Sebastian Martinez <sebastian@wyeworks.com> | 2011-08-15 20:20:28 -0300 |
|---|---|---|
| committer | Sebastian Martinez <sebastian@wyeworks.com> | 2011-08-15 20:20:28 -0300 |
| commit | 308595739c32609ac5b167ecdc6cb6cb4ec6c81f (patch) | |
| tree | ae53554d3aae8eaced3a28e3986cad13b5435067 /railties | |
| parent | 583d7c15c301f15f1e997a06e15b55a2e7bf794f (diff) | |
| download | rails-308595739c32609ac5b167ecdc6cb6cb4ec6c81f.tar.gz rails-308595739c32609ac5b167ecdc6cb6cb4ec6c81f.tar.bz2 rails-308595739c32609ac5b167ecdc6cb6cb4ec6c81f.zip | |
Document Hash#extract!.
Diffstat (limited to 'railties')
| -rw-r--r-- | railties/guides/source/active_support_core_extensions.textile | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/railties/guides/source/active_support_core_extensions.textile b/railties/guides/source/active_support_core_extensions.textile index 781d3d08cd..a672b17e4a 100644 --- a/railties/guides/source/active_support_core_extensions.textile +++ b/railties/guides/source/active_support_core_extensions.textile @@ -2696,6 +2696,18 @@ hash # => {:a => 1} NOTE: Defined in +active_support/core_ext/hash/slice.rb+. +h4. Extracting + +The method +extract!+ removes and returns the key/value pairs matching the given keys. + +<ruby> +hash = {:a => 1, :b => 2} +rest = hash.extract!(:a) # => {:a => 1} +hash # => {:b => 2} +</ruby> + +NOTE: Defined in +active_support/core_ext/hash/slice.rb+. + h4. Indifferent Access The method +with_indifferent_access+ returns an +ActiveSupport::HashWithIndifferentAccess+ out of its receiver: |