Rename numpy._array_api to numpy.array_api

Instead of the leading underscore, the experimentalness of the module will be
indicated by omitting a warning on import. That we, we do not have to change
the API from underscore to no underscore when the module is no longer
experimental.

1 files changed, 15 insertions, 0 deletions

diff --git a/numpy/array_api/_set_functions.py b/numpy/array_api/_set_functions.py
new file mode 100644
index 000000000..f28c2ee72
--- /dev/null
+++ b/numpy/array_api/_set_functions.py
@@ -0,0 +1,15 @@
+from __future__ import annotations
+
+from ._array_object import Array
+
+from typing import Tuple, Union
+
+import numpy as np
+
+def unique(x: Array, /, *, return_counts: bool = False, return_index: bool = False, return_inverse: bool = False) -> Union[Array, Tuple[Array, ...]]:
+    """
+    Array API compatible wrapper for :py:func:`np.unique <numpy.unique>`.
+
+    See its docstring for more information.
+    """
+    return Array._new(np.unique(x._array, return_counts=return_counts, return_index=return_index, return_inverse=return_inverse))