class BinData::MultiFieldArgExtractor

identifies it as value or parameter.
BaseArgExtractor always assumes :bar is parameter. This extractor correctly
Foo.new(:bar => “baz) is ambiguous as to whether :bar is a value or parameter.
Extracts args for Records and Buffers.

def extract(the_class, the_args) 

def extract(the_class, the_args)
  value, parameters, parent = BaseArgExtractor.extract(the_class, the_args)
  if parameters_is_value?(the_class, value, parameters)
    value = parameters
    parameters = {}
  end
  [value, parameters, parent]
end

def field_names_in_parameters?(the_class, parameters) 

def field_names_in_parameters?(the_class, parameters)
  field_names = the_class.fields.field_names
  param_keys = parameters.keys
  (field_names & param_keys).length > 0
end

def parameters_is_value?(the_class, value, parameters) 

def parameters_is_value?(the_class, value, parameters)
  if value.nil? and parameters.length > 0
    field_names_in_parameters?(the_class, parameters)
  else
    false
  end
end