class Parser::Builders::Default

def procarg0(arg) 

def procarg0(arg)
  if self.class.emit_procarg0
    if arg.type == :arg && self.class.emit_arg_inside_procarg0
      n(:procarg0, [ arg ],
        Source::Map::Collection.new(nil, nil, arg.location.expression))
    else
      arg.updated(:procarg0)
    end
  else
    arg
  end
end