first commit

.venv/Lib/site-packages/pyarrow/include/arrow/util/optional.h

@@ -0,0 +1,35 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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.
+
+#pragma once
+
+#define optional_CONFIG_SELECT_OPTIONAL optional_OPTIONAL_NONSTD
+
+#include "arrow/vendored/optional.hpp"  // IWYU pragma: export
+
+namespace arrow {
+namespace util {
+
+template <typename T>
+using optional = nonstd::optional<T>;
+
+using nonstd::bad_optional_access;
+using nonstd::make_optional;
+using nonstd::nullopt;
+
+}  // namespace util
+}  // namespace arrow