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Practically, this means that when a library container type is used in a standard container that uses a polymorphic allocator, the allocator will propagate to the JSON type. For example:
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= Uses-allocator Construction To support code bases which are already using polymorphic allocators, the containers in this library support {std_uses_allocator} construction. For <<ref_array>>, <<ref_object>>, <<ref_string>>, and <<ref_value>>:
= 使用分配器构造 为支持已使用多态分配器的代码库，本库中的容器支持 {std_uses_allocator} 构造。对于 &lt;<ref_array>&gt;, &lt;<ref_object>&gt;, &lt;<ref_string>&gt; 和 &lt;<ref_value>&gt;：</ref_value></ref_string></ref_object></ref_array>
The nested type `allocator_type` is an alias for
嵌套类型 `allocator_type` 是
a {ref_polymorphic_allocator}.
{ref_polymorphic_allocator}的别名。
All eligible constructors which accept <<ref_storage_ptr>> will also accept
所有接受 &lt;<ref_storage_ptr>&gt; 的合格构造函数，也将</ref_storage_ptr>
an instance of {ref_polymorphic_allocator} in the same argument position.
在相同参数位置接受一个 {ref_polymorphic_allocator} 实例。
The member function `get_allocator` returns an instance of
成员函数 `get_allocator` 返回一个
{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。
Practically, this means that when a library container type is used in a standard container that uses a polymorphic allocator, the allocator will propagate to the JSON type. For example:
实际上，这意味着当库中的容器类型被用在使用多态分配器的标准容器中时，该分配器会传播到 JSON 类型。例如：
Library containers can be constructed from polymorphic allocators:
库容器可以从多态分配器构造：
The polymorphic allocator is propagated recursively. Child elements of child elements will use the same memory resource as the parent.
多态分配器会递归传播。子元素的子元素将使用与父元素相同的内存资源。
English Chinese (Simplified Han script) Actions
Practically, this means that when a library container type is used in a standard container that uses a polymorphic allocator, the allocator will propagate to the JSON type. For example:
实际上，这意味着当库中的容器类型被用在使用多态分配器的标准容器中时，该分配器会传播到 JSON 类型。例如：
The polymorphic allocator is propagated recursively. Child elements of child elements will use the same memory resource as the parent.
多态分配器会递归传播。子元素的子元素将使用与父元素相同的内存资源。
= Uses-allocator Construction To support code bases which are already using polymorphic allocators, the containers in this library support {std_uses_allocator} construction. For <<ref_array>>, <<ref_object>>, <<ref_string>>, and <<ref_value>>:
= 使用分配器构造 为支持已使用多态分配器的代码库，本库中的容器支持 {std_uses_allocator} 构造。对于 &lt;<ref_array>&gt;, &lt;<ref_object>&gt;, &lt;<ref_string>&gt; 和 &lt;<ref_value>&gt;：</ref_value></ref_string></ref_object></ref_array>
The nested type `allocator_type` is an alias for
嵌套类型 `allocator_type` 是
a {ref_polymorphic_allocator}.
{ref_polymorphic_allocator}的别名。
All eligible constructors which accept <<ref_storage_ptr>> will also accept
所有接受 &lt;<ref_storage_ptr>&gt; 的合格构造函数，也将</ref_storage_ptr>
an instance of {ref_polymorphic_allocator} in the same argument position.
在相同参数位置接受一个 {ref_polymorphic_allocator} 实例。
The member function `get_allocator` returns an instance of
成员函数 `get_allocator` 返回一个
{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。
Library containers can be constructed from polymorphic allocators:
库容器可以从多态分配器构造：

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Practically, this means that when a library container type is used in a standard container that uses a polymorphic allocator, the allocator will propagate to the JSON type. For example:
Practically, this means that when a library container type is used in a standard container that uses a polymorphic allocator, the allocator will propagate to the JSON type. For example:实际上，这意味着当库中的容器类型被用在使用多态分配器的标准容器中时，该分配器会传播到 JSON 类型。例如：
06/05/2026
User avatar admin

String added in the repository
Practically, this means that when a library container type is used in a standard container that uses a polymorphic allocator, the allocator will propagate to the JSON type. For example:
Practically, this means that when a library container type is used in a standard container that uses a polymorphic allocator, the allocator will propagate to the JSON type. For example:
06/05/2026
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String information

Flags
safe-html, strict-same
Unit identifier
42809
Source string location
:27
String age
06/05/2026
Last updated
06/06/2026
Source string age
06/05/2026
Translation file AsciiDoc file
doc/pages/allocators/uses_allocator_zh_Hans.adoc, string 8