Module: ActiveSupport::CoreExtensions::Array::ExtractOptions

Included in:
Array
Defined in:
activesupport/lib/active_support/core_ext/array/extract_options.rb

Instance Method Summary collapse

Instance Method Details

#extract_options!Object

Extracts 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}


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# File 'activesupport/lib/active_support/core_ext/array/extract_options.rb', line 14

def extract_options!
  last.is_a?(::Hash) ? pop : {}
end