std::uses_allocator<std::flat_multiset>
From cppreference.com
< cpp | container | flat multiset
| Defined in header <flat_set>
|
||
| template< class Key, class Compare, class KeyContainer, class Allocator > struct uses_allocator<std::flat_multiset<Key, Compare, 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.
Contents |
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> |
[edit] 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() {}
[edit] See also
| (C++11) |
checks if the specified type supports uses-allocator construction (class template) |
