operator==,!=(std::experimental::pmr::polymorphic_allocator)

template< class T1, class T2 > bool operator==( const polymorphic_allocator<T1>& lhs, const polymorphic_allocator<T2>& rhs ) noexcept;
template< class T1, class T2 > bool operator!=( const polymorphic_allocator<T1>& lhs, const polymorphic_allocator<T2>& rhs ) noexcept;

比较两个多态分配器。当两个多态分配器的底层内存资源比较相等时，它们比较相等。

1) 返回 *lhs.resource() == *rhs.resource()。

2) 返回 !(lhs == rhs)。

lhs, rhs

-

要比较的多态分配器

1) *lhs.resource() == *rhs.resource()

2) !(lhs == rhs)

experimental::optional
experimental::any
experimental::basic_string_view
experimental::sample
experimental::shared_ptr
experimental::weak_ptr
experimental::apply
experimental::invocation_typeexperimental::raw_invocation_type
experimental::search
experimental::default_searcherexperimental::make_default_searcher
experimental::boyer_moore_searcherexperimental::make_boyer_moore_searcher
experimental::boyer_moore_horspool_searcherexperimental::make_boyer_moore_horspool_searcher
类型擦除及多态分配器
类型特性的变量模板

polymorphic_allocator
使用 `polymorphic_allocator` 的容器的便利类型别名
内存资源类
memory_resource
synchronized_pool_resource
unsynchronized_pool_resource
monotonic_buffer_resource
resource_adaptor
全局内存资源
new_delete_resource
null_memory_resource
get_default_resource
set_default_resource
既存类的类型擦除分配器支持
function
packaged_task
promise

成员函数
polymorphic_allocator::polymorphic_allocator
polymorphic_allocator::operator=
polymorphic_allocator::allocate
polymorphic_allocator::deallocate
polymorphic_allocator::construct
polymorphic_allocator::destroy
polymorphic_allocator::select_on_container_copy_construction
polymorphic_allocator::resource
非成员函数
operator==operator!=