diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/array/extract_options.rb')
-rw-r--r-- | activesupport/lib/active_support/core_ext/array/extract_options.rb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/array/extract_options.rb b/activesupport/lib/active_support/core_ext/array/extract_options.rb new file mode 100644 index 0000000000..980d36400b --- /dev/null +++ b/activesupport/lib/active_support/core_ext/array/extract_options.rb @@ -0,0 +1,19 @@ +module ActiveSupport #:nodoc: + module CoreExtensions #:nodoc: + module Array #:nodoc: + module ExtractOptions + # Extract options from a set of arguments. Removes and returns the last element in the array if it's a hash, otherwise returns a blank hash. + # + # def options(*args) + # args.extract_options! + # end + # + # options(1, 2) # => {} + # options(1, 2, :a => :b) # => {:a=>:b} + def extract_options! + last.is_a?(::Hash) ? pop : {} + end + end + end + end +end |