llvm-project/clang/test/CXX/temp/temp.spec/temp.explicit/p2.cpp

44 lines
1.0 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
// Example from the standard
template<class T> class Array { void mf() { } };
template class Array<char>;
template void Array<int>::mf();
template<class T> void sort(Array<T>& v) { /* ... */ }
template void sort(Array<char>&);
namespace N {
template<class T> void f(T&) { }
}
template void N::f<int>(int&);
template<typename T>
struct X0 {
struct Inner {};
void f() { }
static T value;
};
template<typename T>
T X0<T>::value = 17;
typedef X0<int> XInt;
template struct XInt::Inner; // expected-warning{{template-id}}
template void XInt::f(); // expected-warning{{template-id}}
template int XInt::value; // expected-warning{{template-id}}
namespace N {
template<typename T>
struct X1 { // expected-note{{explicit instantiation refers here}}
};
template<typename T>
void f1(T) {} // expected-note{{explicit instantiation refers here}}
}
using namespace N;
template struct X1<int>; // expected-warning{{must occur in}}
template void f1(int); // expected-warning{{must occur in}}