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// RUN: %clang_cc1 -verify -std=c++11 %s
// expected-no-diagnostics
template<typename T>
void f0() {
struct X;
typedef struct Y {
T (X::* f1())(int) { return 0; }
} Y2;
Y2 y = Y();
}
template void f0<int>();
// PR5764
namespace PR5764 {
struct X {
template <typename T>
void Bar() {
typedef T ValueType;
struct Y {
Y() { V = ValueType(); }
ValueType V;
};
Y y;
}
};
void test(X x) {
x.Bar<int>();
}
}
// Instantiation of local classes with virtual functions.
namespace local_class_with_virtual_functions {
template <typename T> struct X { };
template <typename T> struct Y { };
template <typename T>
void f() {
struct Z : public X<Y<T>*> {
virtual void g(Y<T>* y) { }
void g2(int x) {(void)x;}
};
Z z;
(void)z;
}
struct S { };
void test() { f<S>(); }
}
namespace PR8801 {
template<typename T>
void foo() {
class X;
typedef int (X::*pmf_type)();
class X : public T { };
pmf_type pmf = &T::foo;
}
struct Y { int foo(); };
template void foo<Y>();
}
namespace TemplatePacksAndLambdas {
template <typename ...T> int g(T...);
struct S {
template <typename ...T> static void f(int f = g([]{ static T t; return ++t; }()...)) {}
};
void h() { S::f<int, int, int>(); }
}
namespace PR9685 {
template <class Thing> void forEach(Thing t) { t.func(); }
template <typename T> void doIt() {
struct Functor {
void func() { (void)i; }
int i;
};
forEach(Functor());
}
void call() {
doIt<int>();
}
}
namespace PR12702 {
struct S {
template <typename F> bool apply(F f) { return f(); }
};
template <typename> struct T {
void foo() {
struct F {
int x;
bool operator()() { return x == 0; }
};
S().apply(F());
}
};
void call() { T<int>().foo(); }
}
namespace PR17139 {
template <class T> void foo(const T &t) { t.foo(); }
template <class F> void bar(F *f) {
struct B {
F *fn;
void foo() const { fn(); }
} b = { f };
foo(b);
}
void go() {}
void test() { bar(go); }
}
namespace PR17740 {
class C {
public:
template <typename T> static void foo(T function);
template <typename T> static void bar(T function);
template <typename T> static void func(T function);
};
template <typename T> void C::foo(T function) { function(); }
template <typename T> void C::bar(T function) {
foo([&function]() { function(); });
}
template <typename T> void C::func(T function) {
struct Struct {
T mFunction;
Struct(T function) : mFunction(function) {};
void operator()() {
mFunction();
};
};
bar(Struct(function));
}
void call() {
C::func([]() {});
}
}
namespace PR14373 {
struct function {
template <typename _Functor> function(_Functor __f) { __f(); }
};
template <typename Func> function exec_func(Func f) {
struct functor {
functor(Func f) : func(f) {}
void operator()() const { func(); }
Func func;
};
return functor(f);
}
struct Type {
void operator()() const {}
};
int call() {
exec_func(Type());
return 0;
}
}
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