From aa549db5e5e57ee2702899d1cc660163b52171ed Mon Sep 17 00:00:00 2001
From: Manuel Krebber <admin@wheerd.de>
Date: Tue, 27 Sep 2016 19:07:57 +0200
Subject: [PATCH] Added missing operations to collections.Counter stub. (#575)

---
 stdlib/3/collections/__init__.pyi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/stdlib/3/collections/__init__.pyi b/stdlib/3/collections/__init__.pyi
index e3260eae3..f93990b62 100644
--- a/stdlib/3/collections/__init__.pyi
+++ b/stdlib/3/collections/__init__.pyi
@@ -108,6 +108,17 @@ class Counter(Dict[_T, int], Generic[_T]):
     @overload
     def update(self, m: Union[Iterable[_T], Iterable[Tuple[_T, int]]]) -> None: ...
 
+    def __add__(self, other: Counter[_T]) -> Counter[_T]: ...
+    def __sub__(self, other: Counter[_T]) -> Counter[_T]: ...
+    def __and__(self, other: Counter[_T]) -> Counter[_T]: ...
+    def __or__(self, other: Counter[_T]) -> Counter[_T]: ...
+    def __pos__(self) -> Counter[_T]: ...
+    def __neg__(self) -> Counter[_T]: ...
+    def __iadd__(self, other: Counter[_T]) -> Counter[_T]: ...
+    def __isub__(self, other: Counter[_T]) -> Counter[_T]: ...
+    def __iand__(self, other: Counter[_T]) -> Counter[_T]: ...
+    def __ior__(self, other: Counter[_T]) -> Counter[_T]: ...
+
 class OrderedDict(Dict[_KT, _VT], Generic[_KT, _VT]):
     def popitem(self, last: bool = ...) -> Tuple[_KT, _VT]: ...
     def move_to_end(self, key: _KT, last: bool = ...) -> None: ...