blob: 58d96ebd2cfec314b94badb4f62863a755f8b98d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
#pragma once
#include <utility>
#include <util/generic/string.h>
namespace NYT {
////////////////////////////////////////////////////////////////////////////////
template <class T, class TTag>
class TStrongTypedef
{
public:
using TUnderlying = T;
constexpr TStrongTypedef()
requires std::is_default_constructible_v<T>;
constexpr explicit TStrongTypedef(const T& underlying)
requires std::is_copy_constructible_v<T>;
constexpr explicit TStrongTypedef(T&& underlying)
requires std::is_move_constructible_v<T>;
TStrongTypedef(const TStrongTypedef&) = default;
TStrongTypedef(TStrongTypedef&&) = default;
TStrongTypedef& operator=(const TStrongTypedef&) = default;
TStrongTypedef& operator=(TStrongTypedef&&) = default;
constexpr explicit operator const T&() const;
constexpr explicit operator T&();
#define XX(op) \
constexpr auto operator op(const TStrongTypedef& rhs) const \
noexcept(noexcept(Underlying_ op rhs.Underlying_)) \
requires requires(T lhs, T rhs) {lhs op rhs; };
XX(<)
XX(>)
XX(<=)
XX(>=)
XX(==)
XX(!=)
XX(<=>)
#undef XX
explicit operator bool() const
noexcept(noexcept(static_cast<bool>(Underlying_)));
constexpr T& Underlying() &;
constexpr const T& Underlying() const &;
constexpr T&& Underlying() &&;
private:
T Underlying_;
};
#define YT_DEFINE_STRONG_TYPEDEF(T, TUnderlying) \
struct T ## Tag \
{ }; \
using T = ::NYT::TStrongTypedef<TUnderlying, T##Tag>; \
template <class T>
struct TStrongTypedefTraits;
template <class T>
concept CStrongTypedef = TStrongTypedefTraits<T>::IsStrongTypedef;
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
#define STRONG_TYPEDEF_INL_H_
#include "strong_typedef-inl.h"
#undef STRONG_TYPEDEF_INL_H_
|
