41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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struct add_pointer {
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template<typename T>
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struct apply {
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typedef T* type;
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};
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};
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struct add_reference {
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template<typename T>
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struct apply {
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typedef T& type; // expected-error{{cannot form a reference to 'void'}}
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};
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};
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struct bogus {
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struct apply { // expected-note{{declared as a non-template here}}
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typedef int type;
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};
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};
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template<typename MetaFun, typename T>
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struct apply1 {
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typedef typename MetaFun::template apply<T>::type type; // expected-note{{in instantiation of template class 'add_reference::apply<void>' requested here}} \
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// expected-error{{'apply' following the 'template' keyword does not refer to a template}}
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};
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int i;
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apply1<add_pointer, int>::type ip = &i;
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apply1<add_reference, int>::type ir = i;
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apply1<add_reference, float>::type fr = i; // expected-error{{non-const lvalue reference to type 'float' cannot bind to a value of unrelated type 'int'}}
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void test() {
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apply1<add_reference, void>::type t; // expected-note{{in instantiation of template class 'apply1<add_reference, void>' requested here}}
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apply1<bogus, int>::type t2; // expected-note{{in instantiation of template class 'apply1<bogus, int>' requested here}}
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}
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