VCCC  2024.05
VisualCamp Common C++ library
indirectly_copyable.hpp
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1 //
2 // Created by yonggyulee on 2024/01/08.
3 //
4 
5 #ifndef VCCC_ITERATOR_INDIRECTLY_COPYABLE_HPP
6 #define VCCC_ITERATOR_INDIRECTLY_COPYABLE_HPP
7 
8 #include <type_traits>
9 
10 #include "vccc/__iterator/indirectly_readable.hpp"
11 #include "vccc/__iterator/indirectly_writable.hpp"
12 #include "vccc/__iterator/iter_reference_t.hpp"
13 
14 namespace vccc {
15 namespace detail {
16 
17 template<typename In, typename Out, bool = indirectly_readable<In>::value /* true */>
18 struct indirectly_copyable_impl
19  : indirectly_writable<Out, iter_reference_t<In>> {};
20 
21 template<typename In, typename Out>
22 struct indirectly_copyable_impl<In, Out, false> : std::false_type {};
23 
24 } // namespace detail
25 
28 
38 template<typename In, typename Out>
39 struct indirectly_copyable : detail::indirectly_copyable_impl<In, Out> {};
40 
42 
43 } // namespace vccc
44 
45 #endif // VCCC_ITERATOR_INDIRECTLY_COPYABLE_HPP
indirectly_readable.hpp
indirectly_writable.hpp
iter_reference_t.hpp
vccc
Definition: directory.h:12
vccc::value
constexpr VCCC_INLINE_OR_STATIC detail::element_niebloid< 1 > value
Definition: key_value.hpp:35
vccc::indirectly_copyable
specifies that values may be copied from an indirectly_readable type to an indirectly_writable type
Definition: indirectly_copyable.hpp:39