ITK 6.0.0
Insight Toolkit
 
Loading...
Searching...
No Matches
itkMetaDataObjectDetail.h
Go to the documentation of this file.
1/*=========================================================================
2 *
3 * Copyright NumFOCUS
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * https://www.apache.org/licenses/LICENSE-2.0.txt
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 *=========================================================================*/
18
19#ifndef itkMetaDataObjectDetail_h
20#define itkMetaDataObjectDetail_h
21
22#include <type_traits>
23#include <utility>
24#include <iosfwd>
25
26
27// Implementation details for MetaDataObject meta programming
29{
30template <class T, class = void>
31struct has_Print : std::false_type
32{};
33
34template <class T>
35struct has_Print<T, std::void_t<decltype(std::declval<T>().Print(std::declval<std::ostream &>()))>> : std::true_type
36{};
37
38template <class T, class = void>
39struct has_output_operator : std::false_type
40{};
41
42template <class T>
43struct has_output_operator<T, std::void_t<decltype(std::declval<std::ostream &>() << std::declval<T>())>>
44 : std::true_type
45{};
46} // namespace itk::MetaDataObjectDetail
47
48
49#endif
STL namespace.