48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
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template<typename T> struct vector;
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// C++ [temp.class.spec]p6:
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namespace N {
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namespace M {
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template<typename T> struct A;
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}
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}
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template<typename T>
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struct N::M::A<T*> { };
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// C++ [temp.class.spec]p9
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// bullet 1, as amended by DR1315
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template <int I, int J> struct A {};
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template <int I> struct A<I+5, I*2> {}; // expected-error{{cannot be deduced}} expected-note {{'I'}}
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template <int I, int J> struct B {};
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template <int I> struct B<I, I> {}; //OK
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// bullet 2
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template <class T, T t> struct C {}; // expected-note{{declared here}}
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template <class T> struct C<T, 1>; // expected-error{{specializes}}
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template <class T, T* t> struct C<T*, t>; // okay
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template< int X, int (*array_ptr)[X] > class A2 {}; // expected-note{{here}}
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int array[5];
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template< int X > class A2<X, &array> { }; // expected-error{{specializes}}
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template<typename T, int N, template<typename X> class TT>
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struct Test0;
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// bullet 3
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template<typename T, int N, template<typename X> class TT>
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struct Test0<T, N, TT>; // expected-error{{does not specialize}}
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// C++ [temp.class.spec]p10
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template<typename T = int, // expected-error{{default template argument}}
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int N = 17, // expected-error{{default template argument}}
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template<typename X> class TT = ::vector> // expected-error{{default template argument}}
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struct Test0<T*, N, TT> { };
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template<typename T> struct Test1;
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template<typename T, typename U> // expected-note{{non-deducible}}
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struct Test1<T*> { }; // expected-error{{never be used}}
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