40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++1z %s
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// expected-no-diagnostics
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template<typename T> int &f0(T*, int);
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float &f0(void*, int);
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void test_f0(int* ip, void *vp) {
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// One argument is better...
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int &ir = f0(ip, 0);
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// Prefer non-templates to templates
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float &fr = f0(vp, 0);
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}
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namespace deduction_guide_example {
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template<typename T> struct A {
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A(T, int*);
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A(A<T>&, int*);
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enum { value };
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};
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template<typename T> struct remove_ref_impl;
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template<typename T> struct remove_ref_impl<T&> { using type = T; };
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template<typename T> using remove_ref = typename remove_ref_impl<T>::type;
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// FIXME: The standard's example is wrong; we add a remove_ref<...> here to
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// fix it.
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template<typename T, int N = remove_ref<T>::value> A(T&&, int*) -> A<T**>;
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A a{1, 0};
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extern A<int> a;
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A b{a, 0}; // uses the implicit ctor that is more specialized
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A<int> *pa = &a;
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A<int> *pb = &b;
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}
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// Partial ordering of function template specializations will be tested
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// elsewhere
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// FIXME: Initialization by user-defined conversion is tested elsewhere
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