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Experimental library header <experimental/memory_resource>

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Execution P2300
<experimental/execution>
Filesystem TS
<experimental/filesystem>
Parallelism TS (v1, v2)
experimental/algorithm
experimental/execution_policy
experimental/exception_list
experimental/numeric
<experimental/simd>
experimental/task_block
Library Fundamentals TS (v1, v2, v3)
experimental/algorithm
<experimental/any>
experimental/array
experimental/chrono
experimental/deque
experimental/forward_list
<experimental/functional>
experimental/future
experimental/iterator
experimental/list
experimental/map
experimental/memory
<experimental/memory_resource>
experimental/numeric
<experimental/optional>
experimental/propagate_const
experimental/random
experimental/ratio
experimental/regex
experimental/scope
experimental/set
experimental/source_location
experimental/string
<experimental/string_view>
experimental/system_error
experimental/tuple
experimental/type_traits
experimental/unordered_map
experimental/unordered_set
experimental/utility
experimental/vector

Concurrency TS
experimental/atomic
experimental/barrier
experimental/future
experimental/latch
Ranges TS
Coroutines TS
experimental/coroutine
Networking TS
experimental/buffer
experimental/executor
experimental/internet
experimental/io_context
<experimental/net>
experimental/netfwd
experimental/socket
experimental/timer
Reflection TS
<experimental/reflect>

此头文件是 Library Fundamentals TS 的一部分（ v1 ， v2 ， v3 ）。

目录

类

定义于命名空间 std::experimental::pmr
封装内存资源的抽象接口类
(类)
用于管理不同块大小内存池分配的线程安全 memory_resource
(类)
用于管理不同块大小内存池分配的非线程安全 memory_resource
(类)
特殊用途的 memory_resource ，仅在资源销毁时释放已分配内存
(类)
基于构造时使用的 memory_resource 支持运行时多态性的分配器
(类模板)
将分配器适配为 memory_resource
(别名模板)

函数

定义于命名空间 std::experimental::pmr
比较
比较两个 memory_resource
(函数)
比较两个分配器
(函数模板)
全局内存资源
返回使用全局 operator new 和 operator delete 进行内存分配与释放的静态程序级 memory_resource
(函数)
返回不执行任何内存分配的静态 memory_resource
(函数)
默认内存资源
获取默认 memory_resource
(函数)
设置默认 memory_resource
(函数)

概要 

namespace std {
namespace experimental {
inline namespace fundamentals_v1 {
namespace pmr {
  class memory_resource;
  bool operator==(const memory_resource& a,
                  const memory_resource& b) noexcept;
  bool operator!=(const memory_resource& a,
                  const memory_resource& b) noexcept;
  template <class Tp> class polymorphic_allocator;
  template <class T1, class T2>
  bool operator==(const polymorphic_allocator<T1>& a,
                  const polymorphic_allocator<T2>& b) noexcept;
  template <class T1, class T2>
  bool operator!=(const polymorphic_allocator<T1>& a,
                  const polymorphic_allocator<T2>& b) noexcept;
  // resource_adaptor_imp 名称仅用于说明目的
  template <class Allocator> class resource_adaptor_imp;
  template <class Allocator>
    using resource_adaptor = resource_adaptor_imp<
      typename allocator_traits<Allocator>::template rebind_alloc<char>>;
  // 全局内存资源
  memory_resource* new_delete_resource() noexcept;
  memory_resource* null_memory_resource() noexcept;
  // 默认内存资源
  memory_resource* set_default_resource(memory_resource* r) noexcept;
  memory_resource* get_default_resource() noexcept;
  // 标准内存资源
  struct pool_options;
  class synchronized_pool_resource;
  class unsynchronized_pool_resource;
  class monotonic_buffer_resource;
} // namespace pmr
} // namespace fundamentals_v1
} // namespace experimental
} // namespace std