std::uses_allocator<std::flat_map>
Defined in header <flat_map>
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||
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template
<
class Key, class T, class Compare,
class KeyContainer, class MappedContainer, class Allocator >
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(since C++23) | |
Provides a transparent specialization of the std::uses_allocator type trait for std::flat_map
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
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bool |
type
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std::integral_constant < bool, value> |
Example
#include <memory> #include <flat_map> static_assert( std::uses_allocator<std::flat_map<int, int>, void>::value == false && std::uses_allocator<std::flat_map<int, int>, std::allocator<int>>::value == true ); int main() {}
See also
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(C++11)
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checks if the specified type supports uses-allocator construction (class template) |