✨: add HasArrayIPow protocol to support in-place power operator for array classes

Author: nstarman

src/array_api_typing/_array.py

@@ -256,6 +256,22 @@ def __pow__(self, other: Self | int | float, /) -> Self:
         ...
 
 
+class HasArrayIPow(Protocol):
+    """Protocol for array classes that support the in-place power operator."""
+
+    def __ipow__(self, other: Self | int | float, /) -> Self:
+        """Calculates the in-place power for each element of an array instance with the respective element of the array other.
+
+        Args:
+            other: exponent array. Must be compatible with self (see Broadcasting). Should have a numeric data type.
+
+        Returns:
+            self, after performing the in-place power operation.
+
+        """  # noqa: E501
+        ...
+
+
 class HasArrayMatmul(Protocol):
     """Protocol for array classes that support the matrix multiplication operator."""
 
@@ -478,6 +494,7 @@ class Array(
     HasArrayIFloorDiv,
     HasArrayMod,
     HasArrayPow,
+    HasArrayIPow,
     HasArrayMatmul,
     HasArrayInvert,
     HasArrayAnd,