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// { dg-do compile { target c++2a } }
template<typename T>
concept type = true;
template<typename T, typename U>
concept same_as = __is_same_as(T, U);
template<typename T>
concept integral = __is_same_as(T, int);
template<typename... Ts>
concept all_integral = (integral<Ts> && ...);
void f1(integral auto... args) { }
void f2(all_integral auto... args) { }
template<type T> requires true
void f3(T, integral auto... args) { }
template<type T>
struct S
{
void f1(integral auto... args) { }
void f2(all_integral auto... args) { }
template<type U> requires true
void f3(U, integral auto... args) { }
};
int main()
{
f1(1, 2, 3);
f1(1, 2, 3u); // { dg-error "cannot call" }
f2(1, 2, 3);
f2(1, 2, 3u); // { dg-error "cannot call" }
f3(1, 2, 3);
f3(1, 2, 3u); // { dg-error "cannot call" }
f3(1u, 2, 3);
S<void> s;
s.f1(1, 2, 3);
s.f1(1, 2, 3u); // { dg-error "no matching function" }
s.f2(1, 2, 3);
s.f2(1, 2, 3u); // { dg-error "no matching function" }
s.f3(1, 2, 3);
s.f3(1, 2, 3u); // { dg-error "no matching function" }
s.f3(1u, 2, 3);
}
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