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| author | rdivacky <rdivacky@FreeBSD.org> | 2009-10-14 18:03:49 +0000 |
|---|---|---|
| committer | rdivacky <rdivacky@FreeBSD.org> | 2009-10-14 18:03:49 +0000 |
| commit | 9092c3e0fa01f3139b016d05d267a89e3b07747a (patch) | |
| tree | 137ebebcae16fb0ce7ab4af456992bbd8d22fced /test/SemaTemplate/function-template-specialization.cpp | |
| parent | 4981926bf654fe5a2c3893f24ca44106b217e71e (diff) | |
| download | FreeBSD-src-9092c3e0fa01f3139b016d05d267a89e3b07747a.zip FreeBSD-src-9092c3e0fa01f3139b016d05d267a89e3b07747a.tar.gz | |
Update clang to r84119.
Diffstat (limited to 'test/SemaTemplate/function-template-specialization.cpp')
| -rw-r--r-- | test/SemaTemplate/function-template-specialization.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/SemaTemplate/function-template-specialization.cpp b/test/SemaTemplate/function-template-specialization.cpp new file mode 100644 index 0000000..90e38cc --- /dev/null +++ b/test/SemaTemplate/function-template-specialization.cpp @@ -0,0 +1,35 @@ +// RUN: clang-cc -fsyntax-only -verify %s + +template<int N> void f0(int (&array)[N]); + +// Simple function template specialization (using overloading) +template<> void f0(int (&array)[1]); + +void test_f0() { + int iarr1[1]; + f0(iarr1); +} + +// Function template specialization where there are no matches +template<> void f0(char (&array)[1]); // expected-error{{no function template matches}} +template<> void f0<2>(int (&array)[2]) { } + +// Function template specialization that requires partial ordering +template<typename T, int N> void f1(T (&array)[N]); // expected-note{{matches}} +template<int N> void f1(int (&array)[N]); // expected-note{{matches}} + +template<> void f1(float (&array)[1]); +template<> void f1(int (&array)[1]); + +// Function template specialization that results in an ambiguity +template<typename T> void f1(T (&array)[17]); // expected-note{{matches}} +template<> void f1(int (&array)[17]); // expected-error{{ambiguous}} + +// Resolving that ambiguity with explicitly-specified template arguments. +template<int N> void f2(double (&array)[N]); +template<typename T> void f2(T (&array)[42]); + +template<> void f2<double>(double (&array)[42]); +template<> void f2<42>(double (&array)[42]); + +void f2<25>(double (&array)[25]); // expected-error{{specialization}} |
