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59 lines
1.9 KiB
59 lines
1.9 KiB
4 months ago
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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template <int N>
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void f0(int (&array)[N]); // expected-note {{candidate template ignored: could not match 'int' against 'char'}}
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// Simple function template specialization (using overloading)
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template<> void f0(int (&array)[1]);
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void test_f0() {
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int iarr1[1];
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f0(iarr1);
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}
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// Function template specialization where there are no matches
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template<> void f0(char (&array)[1]); // expected-error{{no function template matches}}
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template<> void f0<2>(int (&array)[2]) { }
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// Function template specialization that requires partial ordering
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template<typename T, int N> void f1(T (&array)[N]); // expected-note{{matches}}
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template<int N> void f1(int (&array)[N]); // expected-note{{matches}}
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template<> void f1(float (&array)[1]);
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template<> void f1(int (&array)[1]);
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// Function template specialization that results in an ambiguity
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template<typename T> void f1(T (&array)[17]); // expected-note{{matches}}
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template<> void f1(int (&array)[17]); // expected-error{{ambiguous}}
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// Resolving that ambiguity with explicitly-specified template arguments.
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template<int N> void f2(double (&array)[N]);
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template<typename T> void f2(T (&array)[42]);
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template<> void f2<double>(double (&array)[42]);
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template<> void f2<42>(double (&array)[42]);
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void f2<25>(double (&array)[25]); // expected-error{{specialization}}
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// PR5833
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namespace PR5833 {
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template <typename T> bool f0(T &t1);
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template <> bool f0<float>(float &t1);
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}
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template <> bool PR5833::f0<float>(float &t1) {}
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// PR8295
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namespace PR8295 {
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template <typename T> void f(T t) {}
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template <typename T> void f<T*>(T* t) {} // expected-error{{function template partial specialization is not allowed}}
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}
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class Foo {
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template<class T>
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static void Bar(const T& input);
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// Don't crash here.
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template<>
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static void Bar(const long& input) {} // expected-error{{explicit specialization of 'Bar' in class scope}}
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};
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