parameters: (cls, value, loc)
return_statement: return cls(op=op, value=value, loc=loc)
docstring: A node for implicit casting at the return statement
docstring_summary: A node for implicit casting at the return statement
docstring_tokens: A node for implicit casting at the return statement
function: def cast(cls, value, loc):
          """
          A node for implicit casting at the return statement
          """
          assert isinstance(value, Var)
          assert isinstance(loc, Loc)
          op = 'cast'
          return cls(op=op, value=value, loc=loc)
function_tokens: def cast ( cls , value , loc ) : assert isinstance ( value , Var ) assert isinstance ( loc , Loc ) op = 'cast' return cls ( op = op , value = value , loc = loc )