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
|
// RUN: %clang_cc1 -fsyntax-only -verify %s
struct add_pointer {
template<typename T>
struct apply {
typedef T* type;
};
};
struct add_reference {
template<typename T>
struct apply {
typedef T& type; // expected-error{{cannot form a reference to 'void'}}
};
};
struct bogus {
struct apply {
typedef int type;
};
};
template<typename MetaFun, typename T>
struct apply1 {
typedef typename MetaFun::template apply<T>::type type; // expected-note{{in instantiation of template class 'add_reference::apply<void>' requested here}} \
// expected-error{{'apply' following the 'template' keyword does not refer to a template}}
};
int i;
apply1<add_pointer, int>::type ip = &i;
apply1<add_reference, int>::type ir = i;
apply1<add_reference, float>::type fr = i; // expected-error{{non-const lvalue reference to type 'float' cannot bind to a value of unrelated type 'int'}}
void test() {
apply1<add_reference, void>::type t; // expected-note{{in instantiation of template class 'apply1<add_reference, void>' requested here}}
apply1<bogus, int>::type t2; // expected-note{{in instantiation of template class 'apply1<bogus, int>' requested here}}
}
|
