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// Test for decltype of direct decomposition.
// { dg-do compile { target c++17 } }
template <class,class> struct same_type;
template <class T> struct same_type<T,T> {};
struct A {
int i;
const int ci = 42;
mutable int mi;
int& r = i;
const int& cr = ci;
} a;
void f() {
auto [i,ci,mi,r,cr] = a;
same_type<decltype(i),int>{};
same_type<decltype(ci),const int>{};
same_type<decltype(mi),int>{};
same_type<decltype(r),int&>{};
same_type<decltype(cr),const int&>{};
}
void frr() {
auto &&[i,ci,mi,r,cr] = a;
same_type<decltype(i),int>{};
same_type<decltype(ci),const int>{};
same_type<decltype(mi),int>{};
same_type<decltype(r),int&>{};
same_type<decltype(cr),const int&>{};
}
void fc() {
const auto [i,ci,mi,r,cr] = a;
same_type<decltype(i),const int>{};
same_type<decltype(ci),const int>{};
same_type<decltype(mi),int>{};
same_type<decltype(r),int&>{};
same_type<decltype(cr),const int&>{};
}
void frc() {
const A ca{};
auto &[i,ci,mi,r,cr] = ca;
same_type<decltype(i),const int>{};
same_type<decltype(ci),const int>{};
same_type<decltype(mi),int>{};
same_type<decltype(r),int&>{};
same_type<decltype(cr),const int&>{};
}
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