add CanClassGetitem[K, V]

jorenham · Feb 26, 2024 · b24c527 · b24c527
1 parent 5dfeb3f
commit b24c527
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/optype/__init__.py b/optype/__init__.py
@@ -13,6 +13,7 @@
     'CanBytes',
     'CanCall',
     'CanCeil',
+    'CanClassGetitem',
     'CanComplex',
     'CanContains',
     'CanDelattr',
@@ -136,6 +137,7 @@
     CanBytes,
     CanCall,
     CanCeil,
+    CanClassGetitem,
     CanComplex,
     CanContains,
     CanDelattr,

diff --git a/optype/_can.py b/optype/_can.py
@@ -186,7 +186,9 @@ def __set_name__(self, __cls: type[T], __name: str) -> Any: ...
 # 3.3.5. Emulating generic types
 # https://docs.python.org/3/reference/datamodel.html#emulating-generic-types
 
-# TODO: CanClassGetItem
+@runtime_checkable
+class CanClassGetitem[K, V](Protocol):
+    def __class_getitem__(cls, __k: K) -> V: ...
 
 
 # 3.3.6. Emulating callable objects