✨ HasNDim

Author: nstarman

src/array_api_typing/_array.py

@@ -97,11 +97,26 @@ def mT(self) -> Self:  # noqa: N802
         ...
 
 
+class HasNDim(Protocol):
+    """Protocol for array classes that have a number of dimensions attribute."""
+
+    @property
+    def ndim(self) -> int:
+        """Number of array dimensions (axes).
+
+        Returns:
+            int: number of array dimensions (axes).
+
+        """
+        ...
+
+
 class Array(
     # ------ Attributes -------
     HasDType[DTypeT_co],
     HasDevice,
     HasMatrixTranspose,
+    HasNDim,
     # ------- Methods ---------
     HasArrayNamespace[NamespaceT_co],
     # -------------------------