std::uses_allocator<std::flat_multiset>
From cppreference.com
| Defined in header <flat_set>
|
||
template< class Key, class Compare, class KeyContainer, class Allocator >
struct uses_allocator<std::flat_multiset<Key, Compare, KeyContainer>, Allocator>
: std::bool_constant<std::uses_allocator_v<KeyContainer, Allocator>> {};
|
(since C++23) | |
Provides a transparent specialization of the std::uses_allocator type trait for std::flat_multiset: the container adaptor uses allocator if and only if the underlying container does.
Inherited from std::integral_constant
Member constants
value [static] |
true (public static member constant) |
Member functions
operator bool |
converts the object to bool, returns value (public member function) |
operator() (C++14) |
returns value (public member function) |
Member types
| Type | Definition |
value_type
|
bool
|
type
|
std::integral_constant<bool, value>
|
Example
Run this code
#include <memory>
#include <flat_set>
static_assert(
std::uses_allocator<std::flat_multiset<int>, void>::value == false &&
std::uses_allocator<std::flat_multiset<int>, std::allocator<int>>::value == true
);
int main() {}