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std::pmr::new_delete_resource

性病：：PMR：：New[医]删除[医]资源

Defined in header ​​
std::pmr::memory_resource* new_delete_resource(​(since C++17)

返回指向memory_resource使用全局operator new和operator delete分配内存

返回值

返回指针p对象派生的类型的静态存储持续时间对象。std::pmr::memory_resource，具有下列属性：

  • 其allocate()功能使用::operator new分配内存；

  • 其deallocate()功能使用::operator delete释放记忆；

  • 对任何memory_resourcer，，，p->is_equal(r)回报&r == p...

每次调用此函数时都会返回相同的值。

例外

noexcept规格：

noexcept

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