diff options
Diffstat (limited to 'puzzles/typing_typevar_constrained.py')
| -rw-r--r-- | puzzles/typing_typevar_constrained.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/puzzles/typing_typevar_constrained.py b/puzzles/typing_typevar_constrained.py new file mode 100644 index 0000000..4cff369 --- /dev/null +++ b/puzzles/typing_typevar_constrained.py @@ -0,0 +1,9 @@ +from typing import TypeVar, Any, Union + +V = TypeVar("V", str, bytes) + +def check_v(x: Union[V, list[V]]) -> V: + raise NotImplementedError() + +def foo(a: list[Any]) -> None: + check_v(a) |