Skip to content

typing: Adds NewType and TypeAlias #82

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: master
Choose a base branch
from
Open

typing: Adds NewType and TypeAlias #82

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
34848c3
typing: Adds NewType.
colin-nolan Aug 6, 2023
18d81e7
typing: typing: Adds TypeAlias.
colin-nolan Aug 6, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions typing/test.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -18,11 +18,14 @@ def scale(scalar: float, vector: Vector) -> Vector:
new_vector = scale(2.0, [1.0, -4.2, 5.4])
assert new_vector == [2.0, -8.4, 10.8]

assert NewType("Id", int) == int

ConnectionOptions = Dict[str, str]
Address = Tuple[str, int]
Server = Tuple[Address, ConnectionOptions]
Tuple[int, ...]
Name: TypeAlias = str


def broadcast_message(message: str, servers: List[Server]) -> None:
...
Expand Down
4 changes: 4 additions & 0 deletions typing/typing.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,9 @@ def __getitem__(self, sub):
def TypeVar(new_type, *types):
return None

def NewType(name, tp):
return tp

class Any: pass
Text = str
class NoReturn: pass
Expand Down Expand Up @@ -56,6 +59,7 @@ class Type: pass
IO = _SubSingleton
TextIO = IO[str]
BinaryIO = IO[bytes]
class TypeAlias: pass

AnyStr = TypeVar("AnyStr", str, bytes)

Expand Down