36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
// RUN: clang-cc -fsyntax-only -verify %s
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template<int N> void f0(int (&array)[N]);
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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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