{ref_polymorphic_allocator} constructed from the {ref_memory_resource} used by the container. Ownership of this memory resource is not transferred.
{ref_polymorphic_allocator} constructed from the {ref_memory_resource} used by the container. Ownership of this memory resource is not transferred.由容器所使用的 {ref_memory_resource} 构造的 {ref_polymorphic_allocator} 实例。该内存资源的所有权不会被转移。
{ref_polymorphic_allocator} constructed from the {ref_memory_resource} used by the container. Ownership of this memory resource is not transferred.由容器所使用的 {ref_memory_resource} 构造的 {ref_polymorphic_allocator} 实例。该内存资源的所有权不会被转移。