blob: 73cba761b0112b3ab4b2c0fe292c6348bd1c519c (
plain)
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
|
// PR c++/122185
// { dg-do compile { target c++17 } }
// { dg-options "-w -O2" }
namespace std {
template <typename _Tp> struct remove_reference {
using type = __remove_reference(_Tp);
};
template <typename _Tp> _Tp forward(typename remove_reference<_Tp>::type);
}
template <typename T> struct static_const {
static constexpr T value{};
};
template <typename, typename> struct adl_serializer;
template <template <typename, typename> class = adl_serializer>
class basic_json;
struct from_json_fn {
template <typename BasicJsonType, typename T>
void operator()(BasicJsonType, T) const;
};
template <typename, typename> struct adl_serializer {
template <typename BasicJsonType, typename TargetType>
static void from_json(BasicJsonType &&j, TargetType val) {
static_const<from_json_fn>::value(std::forward<BasicJsonType>(j), val);
}
};
struct iter_impl {
basic_json<> operator*();
void operator++();
bool operator!=(iter_impl);
};
template <template <typename, typename = void> class JSONSerializer>
struct basic_json {
template <typename> using iter_impl = iter_impl;
using iterator = iter_impl<basic_json>;
template <typename> void get_impl(int) {
auto ret = int();
JSONSerializer<int>::from_json(*this, ret);
}
template <typename> void get() { get_impl<int>({}); }
iterator begin();
iterator end();
char type_name;
};
void _ValidateSignatureFile() {
basic_json signatures;
for (auto signature : signatures)
signature.get<int>();
}
|
