pruning

src/hooked_containers/mapping.py

@@ -0,0 +1,20 @@
+from collections.abc import Callable, MutableMapping, MutableSequence, Sequence
+from typing import Generic, TypeVar
+
+from . import events as e
+
+T = TypeVar("T")
+
+
+class HookedMapping(Generic[T], MutableMapping[T, T | MutableSequence[T], MutableMapping[T]]):
+    _data: MutableSequence[T]
+    _path: MutableSequence[int]
+    hook: Callable[[e.ChangeEvent[T]], None] | None
+
+    def __init__(self, hook, existing: MutableMapping[T], path: Sequence[int] | None = None):
+        self.hook = hook
+        self._data = existing
+        self._path = list(path) if path is not None else []
+
+    def __setitem__(self, key):
+        return