Method: ActiveSupport::HashWithIndifferentAccess#transform_keys

Defined in:
activesupport/lib/active_support/hash_with_indifferent_access.rb

#transform_keys(hash = NOT_GIVEN, &block) ⇒ Object 



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# File 'activesupport/lib/active_support/hash_with_indifferent_access.rb', line 340

def transform_keys(hash = NOT_GIVEN, &block)
  return to_enum(:transform_keys) if NOT_GIVEN.equal?(hash) && !block_given?
  dup.tap { |h| h.transform_keys!(hash, &block) }
end