cext: add .pyi files for C extensions
I'm unsure if all the annotations are completely accurate. But having
these helps type checkers reason about our C extensions.
Differential Revision: https://phab.mercurial-scm.org/D9281
from typing import (
List,
Tuple,
)
version: int
def bdiff(a: bytes, b: bytes): bytes
def blocks(a: bytes, b: bytes) -> List[Tuple[int, int, int, int]]: ...
def fixws(s: bytes, allws: bool) -> bytes: ...
def splitnewlines(text: bytes) -> List[bytes]: ...
def xdiffblocks(a: bytes, b: bytes) -> List[Tuple[int, int, int, int]]: ...