mercurial/cext/bdiff.pyi

rust-format: update rustfmt version

This hasn't been updated in a while, and since we're updating the MSRV to
1.48.0, we might as well do this.

Differential Revision: https://phab.mercurial-scm.org/D11733

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]]: ...