1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements. See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership. The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License. You may obtain a copy of the License at
8//
9// http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied. See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18#ifndef ARROW_CAST_H
19#define ARROW_CAST_H
20
21#include <type_traits>
22
23namespace arrow {
24namespace internal {
25
26template <typename OutputType, typename InputType>
27inline OutputType checked_cast(InputType&& value) {
28 static_assert(std::is_class<typename std::remove_pointer<
29 typename std::remove_reference<InputType>::type>::type>::value,
30 "checked_cast input type must be a class");
31 static_assert(std::is_class<typename std::remove_pointer<
32 typename std::remove_reference<OutputType>::type>::type>::value,
33 "checked_cast output type must be a class");
34#ifdef NDEBUG
35 return static_cast<OutputType>(value);
36#else
37 return dynamic_cast<OutputType>(value);
38#endif
39}
40
41} // namespace internal
42} // namespace arrow
43
44#endif // ARROW_CAST_H
45