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// { dg-options "-std=gnu++17" }
// { dg-do compile { target c++17 } }
#include <unordered_map>
#include <testsuite_allocator.h>
using __gnu_test::SimpleAllocator;
static_assert(std::is_same_v<
decltype(std::unordered_multimap{std::pair{1, 2.0},
{2, 3.0}, {3, 4.0}}),
std::unordered_multimap<int, double>>);
static_assert(std::is_same_v<
decltype(std::unordered_multimap{{std::pair{1, 2.0},
{2, 3.0}, {3, 4.0}}}),
std::unordered_multimap<int, double>>);
static_assert(std::is_same_v<
decltype(std::unordered_multimap{{std::pair{1, 2.0},
{2, 3.0}, {3, 4.0}},
{}, std::hash<int>{}, {}}),
std::unordered_multimap<int, double>>);
static_assert(std::is_same_v<
decltype(std::unordered_multimap{{std::pair{1, 2.0},
{2, 3.0}, {3, 4.0}},
{}}),
std::unordered_multimap<int, double>>);
static_assert(std::is_same_v<
decltype(std::unordered_multimap{{std::pair{1, 2.0},
{2, 3.0}, {3, 4.0}},
{}, {}, {},
SimpleAllocator<std::pair<const int, double>>{}}),
std::unordered_multimap<int, double, std::hash<int>,
std::equal_to<int>,
SimpleAllocator<std::pair<const int, double>>>>);
void f()
{
std::unordered_multimap<int, double> x;
static_assert(std::is_same_v<
decltype(std::unordered_multimap(x.begin(), x.end())),
std::unordered_multimap<int, double>>);
static_assert(std::is_same_v<
decltype(std::unordered_multimap{x.begin(), x.end(),
{}, std::hash<int>{}, {},
std::allocator<std::pair<const int, double>>{}}),
std::unordered_multimap<int, double>>);
static_assert(std::is_same_v<
decltype(std::unordered_multimap{x.begin(), x.end(),
{}, std::hash<int>{}, {}}),
std::unordered_multimap<int, double>>);
static_assert(std::is_same_v<
decltype(std::unordered_multimap(x.begin(), x.end(),
{})),
std::unordered_multimap<int, double>>);
static_assert(std::is_same_v<
decltype(std::unordered_multimap{x.begin(), x.end(),
{}, {}, {},
std::allocator<std::pair<const int, double>>{}}),
std::unordered_multimap<int, double>>);
static_assert(std::is_same_v<
decltype(std::unordered_multimap{x.begin(), x.end(),
{}, {}, {},
SimpleAllocator<std::pair<const int, double>>{}}),
std::unordered_multimap<int, double, std::hash<int>,
std::equal_to<int>,
SimpleAllocator<std::pair<const int, double>>>>);
}
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