view mercurial/thirdparty/attr/_cmp.pyi @ 51486:0ddc34330d41

branchcache: do not accept "empty update"

This currently does not happens and it will be simpler that is remains that way.
If all update do something, we will be able to simply declare, in a later
changesets, that all update to result in a dirty branchcache.

from typing import Any, Callable, Optional, Type

_CompareWithType = Callable[[Any, Any], bool]

def cmp_using(
    eq: Optional[_CompareWithType],
    lt: Optional[_CompareWithType],
    le: Optional[_CompareWithType],
    gt: Optional[_CompareWithType],
    ge: Optional[_CompareWithType],
    require_same_type: bool,
    class_name: str,
) -> Type: ...