| Total Complexity | 4 | 
| Total Lines | 25 | 
| Duplicated Lines | 96 % | 
| Changes | 0 | ||
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | View Code Duplication | def instance_of(obj: object, *args: type) -> bool: | |
|  | |||
| 2 | """ | ||
| 3 | Check whether ``obj`` is an instance of all types in ``args``, while also | ||
| 4 | considering generics. | ||
| 5 | :param obj: the object in subject. | ||
| 6 | :param args: the type(s) of which ``obj`` is an instance or not. | ||
| 7 | :return: ``True`` if ``obj`` is an instance of all types in ``args``. | ||
| 8 | """ | ||
| 9 | from typish.classes._literal import Literal, LiteralAlias | ||
| 10 | from typish.functions._subclass_of import subclass_of | ||
| 11 | from typish.functions._get_type import get_type | ||
| 12 | |||
| 13 | try: | ||
| 14 | return all(isinstance(obj, arg) for arg in args) | ||
| 15 | except Exception: | ||
| 16 | ... # If the regular check didn't work, continue below. | ||
| 17 | |||
| 18 | if args and issubclass(args[0], Literal): | ||
| 19 | leftovers = args[1:] | ||
| 20 | return (LiteralAlias.__instancecheck__(args[0], obj) | ||
| 21 | and (not leftovers or instance_of(obj, leftovers))) | ||
| 22 | |||
| 23 | type_ = get_type(obj, use_union=True) | ||
| 24 | return subclass_of(type_, *args) | ||
| 25 |