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// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
namespace DeductionForInstantiation {
template<unsigned I, typename ...Types>
struct X { };
template<typename ...Types>
void f0(X<sizeof...(Types), Types&...>) { }
// No explicitly-specified arguments
template void f0(X<0>);
template void f0(X<1, int&>);
template void f0(X<2, int&, short&>);
// One explicitly-specified argument
template void f0<float>(X<1, float&>);
template void f0<double>(X<1, double&>);
// Two explicitly-specialized arguments
template void f0<char, unsigned char>(X<2, char&, unsigned char&>);
template void f0<signed char, char>(X<2, signed char&, char&>);
// FIXME: Extension of explicitly-specified arguments
// template void f0<short, int>(X<3, short&, int&, long&>);
}
namespace DeductionWithConversion {
template<char...> struct char_values {
static const unsigned value = 0;
};
template<int C1, char C3>
struct char_values<C1, 12, C3> {
static const unsigned value = 1;
};
int check0[char_values<1, 12, 3>::value == 1? 1 : -1];
template<int...> struct int_values {
static const unsigned value = 0;
};
template<unsigned char C1, unsigned char C3>
struct int_values<C1, 12, C3> {
static const unsigned value = 1;
};
int check1[int_values<256, 12, 3>::value == 0? 1 : -1];
int check2[int_values<3, 12, 3>::value == 1? 1 : -1];
}
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