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// RUN: %clang_cc1 -fsyntax-only -verify %s
class A;
class S {
public:
template<typename T> struct A {
struct Nested {
typedef T type;
};
};
};
int i;
S::A<int>::Nested::type *ip = &i;
template<typename T>
struct Outer {
template<typename U>
class Inner0;
template<typename U>
class Inner1 {
struct ReallyInner;
T foo(U);
template<typename V> T bar(V);
template<typename V> T* bar(V);
static T value1;
static U value2;
};
};
template<typename X>
template<typename Y>
class Outer<X>::Inner0 {
public:
void f(X, Y);
};
template<typename X>
template<typename Y>
void Outer<X>::Inner0<Y>::f(X, Y) {
}
template<typename X>
template<typename Y>
struct Outer<X>::Inner1<Y>::ReallyInner {
static Y value3;
void g(X, Y);
};
template<typename X>
template<typename Y>
void Outer<X>::Inner1<Y>::ReallyInner::g(X, Y) {
}
template<typename X>
template<typename Y>
X Outer<X>::Inner1<Y>::foo(Y) {
return X();
}
template<typename X>
template<typename Y>
template<typename Z>
X Outer<X>::Inner1<Y>::bar(Z) {
return X();
}
template<typename X>
template<typename Y>
template<typename Z>
X* Outer<X>::Inner1<Y>::bar(Z) {
return 0;
}
template<typename X>
template<typename Y>
X Outer<X>::Inner1<Y>::value1 = 0;
template<typename X>
template<typename Y>
Y Outer<X>::Inner1<Y>::value2 = Y();
template<typename X>
template<typename Y>
Y Outer<X>::Inner1<Y>::ReallyInner::value3 = Y();
template<typename X>
template<typename Y>
Y Outer<X>::Inner1<Y*>::ReallyInner::value4; // expected-error{{Outer<X>::Inner1<Y *>::ReallyInner::}}
template<typename T>
struct X0 { };
template<typename T>
struct X0<T*> {
template<typename U>
void f(U u = T()) { }
};
// PR5103
template<typename>
struct X1 {
template<typename, bool = false> struct B { };
};
template struct X1<int>::B<bool>;
// Template template parameters
template<typename T>
struct X2 {
template<template<class U, T Value> class> // expected-error{{cannot have type 'float'}} \
// expected-note{{previous non-type template}}
struct Inner { };
};
template<typename T,
int Value> // expected-note{{template non-type parameter}}
struct X2_arg;
X2<int>::Inner<X2_arg> x2i1;
X2<float> x2a; // expected-note{{instantiation}}
X2<long>::Inner<X2_arg> x2i3; // expected-error{{template template argument has different}}
namespace PR10896 {
template<typename TN>
class Foo {
public:
void foo() {}
private:
template<typename T>
T SomeField; // expected-error {{member 'SomeField' declared as a template}}
template<> int SomeField2; // expected-error {{extraneous 'template<>' in declaration of member 'SomeField2'}}
};
void g() {
Foo<int> f;
f.foo();
}
}
namespace PR10924 {
template< class Topology, class ctype >
struct ReferenceElement
{
};
template< class Topology, class ctype >
template< int codim >
class ReferenceElement< Topology, ctype > :: BaryCenterArray // expected-error{{out-of-line definition of 'BaryCenterArray' does not match any declaration in 'ReferenceElement<Topology, ctype>'}}
{
};
}
class Outer1 {
template <typename T> struct X;
template <typename T> int X<T>::func() {} // expected-error{{out-of-line definition of 'func' from class 'X<T>' without definition}}
};
namespace RefPack {
template<const int &...N> struct A { template<typename ...T> void f(T (&...t)[N]); };
constexpr int k = 10;
int arr[10];
void g() { A<k>().f(arr); }
}
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