std::pmr::polymorphic_allocator::select_on_container_copy_construction
polymorphic_allocator select_on_container_copy_construction() const; | | (since C++17) |
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返回默认构造的polymorphic_allocator对象。
参数
%280%29
返回值
默认构造polymorphic_allocator对象。
注记
polymorphic_allocatorS不在容器复制结构上传播。
另见
select_on_container_copy_construction static | obtains the allocator to use after copying a standard container (public static member function of std::allocator_traits) |
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