1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 
3 template<typename MetaFun, typename T>
4 struct bind_metafun {
5   typedef typename MetaFun::template apply<T> type;
6 };
7 
8 struct add_pointer {
9   template<typename T>
10   struct apply {
11     typedef T* type;
12   };
13 };
14 
15 int i;
16 // FIXME: if we make the declarator below a pointer (e.g., with *ip),
17 // the error message isn't so good because we don't get the handy
18 // 'aka' telling us that we're dealing with an int**. Should we fix
19 // getDesugaredType to dig through pointers and such?
20 bind_metafun<add_pointer, int>::type::type ip = &i;
21 bind_metafun<add_pointer, float>::type::type fp = &i; // expected-error{{cannot initialize a variable of type 'bind_metafun<add_pointer, float>::type::type' (aka 'float *') with an rvalue of type 'int *'}}
22 
23 
24 template<typename T>
25 struct extract_type_type {
26   typedef typename T::type::type t;
27 };
28 
29 double d;
30 extract_type_type<bind_metafun<add_pointer, double> >::t dp = &d;
31