_typeshed: add SupportsLessThan, SupportsLessThanT (#4711)

And use it everywhere. Note there seemed to be a discrepancy between
heapq in Python 2 and 3, so I changed that. It should probably be more
widely used within heapq, but leaving that out of scope for this PR.

Co-authored-by: hauntsaninja <>
This commit is contained in:
Shantanu
2020-10-25 15:04:43 -07:00
committed by GitHub
parent 8d4a4f9e74
commit 1dd1b701c9
8 changed files with 37 additions and 51 deletions

View File

@@ -1,3 +1,4 @@
from _typeshed import SupportsLessThan
from typing import Any, Callable, Iterable, List, Optional, TypeVar
_T = TypeVar("_T")
@@ -8,6 +9,6 @@ def heappushpop(__heap: List[_T], __item: _T) -> _T: ...
def heapify(__heap: List[_T]) -> None: ...
def heapreplace(__heap: List[_T], __item: _T) -> _T: ...
def merge(*iterables: Iterable[_T], key: Optional[Callable[[_T], Any]] = ..., reverse: bool = ...) -> Iterable[_T]: ...
def nlargest(n: int, iterable: Iterable[_T], key: Optional[Callable[[_T], Any]] = ...) -> List[_T]: ...
def nsmallest(n: int, iterable: Iterable[_T], key: Optional[Callable[[_T], Any]] = ...) -> List[_T]: ...
def nlargest(n: int, iterable: Iterable[_T], key: Optional[Callable[[_T], SupportsLessThan]] = ...) -> List[_T]: ...
def nsmallest(n: int, iterable: Iterable[_T], key: Optional[Callable[[_T], SupportsLessThan]] = ...) -> List[_T]: ...
def _heapify_max(__x: List[_T]) -> None: ... # undocumented