parameters: (self, p)
docstring: arg : string 
                 | integer 
                 | array 
                 | dict 
                 | null
                 | range
                 | env
docstring_summary: arg : string 
                 | integer 
                 | array 
                 | dict 
                 | null
                 | range
                 | env
docstring_tokens: arg : string | integer | array | dict | null | range | env
function: def p_arg (self, p):
          '''arg : string 
                 | integer 
                 | array 
                 | dict 
                 | null
                 | range
                 | env'''
          p[0] = p[1]
function_tokens: def p_arg ( self , p ) : p [ 0 ] = p [ 1 ]