From f57cd497dee4b6c5df1693735811a08feef8f55a Mon Sep 17 00:00:00 2001
From: Adam Narozniak <adam@flower.dev>
Date: Mon, 15 Jan 2024 16:04:27 +0100
Subject: [PATCH] Add typing module with array types definitions

---
 datasets/flwr_datasets/common/typing.py | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 datasets/flwr_datasets/common/typing.py

diff --git a/datasets/flwr_datasets/common/typing.py b/datasets/flwr_datasets/common/typing.py
new file mode 100644
index 000000000000..acf3896ca135
--- /dev/null
+++ b/datasets/flwr_datasets/common/typing.py
@@ -0,0 +1,24 @@
+# Copyright 2023 Flower Labs GmbH. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ==============================================================================
+"""Flower Datasets type definitions (partially copied from Flower)."""
+from typing import Any, List
+
+import numpy as np
+import numpy.typing as npt
+
+NDArray = npt.NDArray[Any]
+NDArrayInt = npt.NDArray[np.int_]
+NDArrayFloat = npt.NDArray[np.float_]
+NDArrays = List[NDArray]