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| author | crupest <crupest@outlook.com> | 2024-11-11 01:12:29 +0800 |
|---|---|---|
| committer | Yuqian Yang <crupest@crupest.life> | 2024-12-18 18:31:27 +0800 |
| commit | aaa855e3839130a79193f38969f07763f2773c5d (patch) | |
| tree | e4cb238df4588f4633d9c1190136895865d51a98 /tools/cru-py/cru/_util/_lang.py | |
| parent | 95da3ade5bfa6ef39923cd3fc2a551ad983c1537 (diff) | |
| download | crupest-aaa855e3839130a79193f38969f07763f2773c5d.tar.gz crupest-aaa855e3839130a79193f38969f07763f2773c5d.tar.bz2 crupest-aaa855e3839130a79193f38969f07763f2773c5d.zip | |
HALF WORK: 2024.11.27
Diffstat (limited to 'tools/cru-py/cru/_util/_lang.py')
| -rw-r--r-- | tools/cru-py/cru/_util/_lang.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/cru-py/cru/_util/_lang.py b/tools/cru-py/cru/_util/_lang.py new file mode 100644 index 0000000..925ba00 --- /dev/null +++ b/tools/cru-py/cru/_util/_lang.py @@ -0,0 +1,16 @@ +from collections.abc import Callable +from typing import Any, Iterable, TypeVar, cast + +T = TypeVar("T") +D = TypeVar("D") + + +def remove_element( + iterable: Iterable[T | None], to_rm: Iterable[Any], des: type[D] | None = None +) -> D: + to_rm = set(to_rm) + return cast(Callable[..., D], des or list)(v for v in iterable if v not in to_rm) + + +def remove_none(iterable: Iterable[T | None], des: type[D] | None = None) -> D: + return cast(Callable[..., D], des or list)(v for v in iterable if v is not None) |