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| author | Martin Fischer <martin@push-f.com> | 2022-02-20 12:55:32 +0100 |
|---|---|---|
| committer | Martin Fischer <martin@push-f.com> | 2022-02-23 15:59:32 +0100 |
| commit | 0b6c028fd4be048bde9369b870e6fe4b80577886 (patch) | |
| tree | f3948a5b35156e0e4c00f32cd577067eb31ce497 /puzzles/tricky_typevar_constrained.py | |
publish
Diffstat (limited to 'puzzles/tricky_typevar_constrained.py')
| -rw-r--r-- | puzzles/tricky_typevar_constrained.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/puzzles/tricky_typevar_constrained.py b/puzzles/tricky_typevar_constrained.py new file mode 100644 index 0000000..50ce10a --- /dev/null +++ b/puzzles/tricky_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]): + check_v(a) |