23 lines · cpp
1// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s2 3template<class ... Types> void f(Types ... args);4 5void test() {6 f(); 7 f(1); 8 f(2, 1.0);9}10 11// Test simple recursive variadic function template12template<typename Head, typename ...Tail>13void recurse_until_fail(const Head &, const Tail &...tail) { // expected-note{{candidate function template not viable: requires at least 1 argument, but 0 were provided}}14 recurse_until_fail(tail...); // expected-error{{no matching function for call to 'recurse_until_fail'}} \15 // expected-note{{in instantiation of function template specialization 'recurse_until_fail<char[7]>' requested here}} \16 // expected-note{{in instantiation of function template specialization 'recurse_until_fail<double, char[7]>' requested here}}17}18 19void test_recurse_until_fail() {20 recurse_until_fail(1, 3.14159, "string"); // expected-note{{in instantiation of function template specialization 'recurse_until_fail<int, double, char[7]>' requested here}}21 22}23