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JSON can be parsed into the value container in one step using a free function. In the following snippet, a parse error is indicated by a thrown exception:
JSON can be parsed into the value container in one step using a free function. In the following snippet, a parse error is indicated by a thrown exception:可使用自由函数将 JSON 一步解析至值容器。在以下代码片段中，解析错误通过抛出异常指示：
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Parsing
Parsing解析
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A counted memory resource will not be destroyed until every container with shared ownership of the resource is destroyed.
A counted memory resource will not be destroyed until every container with shared ownership of the resource is destroyed.计数内存资源在拥有其共享所有权的每个容器均被销毁之前，是不会被销毁的。
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Up until now we have shown how values may be constructed from a memory resource pointer, where ownership is not transferred. In this case the caller is responsible for ensuring that the lifetime of the resource is extended for the life of the container. Sometimes you want the container to acquire shared ownership of the resource. This is accomplished with <<ref_make_shared_resource>>:
Up until now we have shown how values may be constructed from a memory resource pointer, where ownership is not transferred. In this case the caller is responsible for ensuring that the lifetime of the resource is extended for the life of the container. Sometimes you want the container to acquire shared ownership of the resource. This is accomplished with <<截至目前，我们已展示如何通过内存资源指针（不转移所有权）构造值。此时调用方需确保资源生命周期覆盖容器的生命周期。有时您希望容器获取资源的共享所有权。这可通过 &lt;<ref_make_shared_resource>&gt; 实现：</ref_make_shared_resource>>:
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When a library type is used as the element type of a PMR container; that is, a container which uses a {ref_polymorphic_allocator}, the memory resource will automatically propagate to the type and all of its children:
When a library type is used as the element type of a PMR container; that is, a container which uses a {ref_polymorphic_allocator}, the memory resource will automatically propagate to the type and all of its children:当库类型用作 PMR 容器（即使用 {ref_polymorphic_allocator} 的容器）的元素类型时，内存资源将自动传播至该类型及其所有子元素：
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The containers in this library enforce the invariant that every element of the container will use the same memory resource:
The containers in this library enforce the invariant that every element of the container will use the same memory resource:本库中的容器强制保持一个不变式：容器的每个元素都使用相同的内存资源：
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To permit custom memory allocation strategies, these containers all allow construction with a <<ref_storage_ptr>> which is a smart pointer to a {ref_memory_resource}. The constructor signatures have the same ordering as their `std` equivalents which use {req_Allocator} parameters. Once a container is constructed its memory resource can never change. Here we create an array without performing any dynamic allocations:
To permit custom memory allocation strategies, these containers all allow construction with a <<ref_storage_ptr>> which is a smart pointer to a {ref_memory_resource}. The constructor signatures have the same ordering as their `std` equivalents which use {req_Allocator} parameters. Once a container is constructed its memory resource can never change. Here we create an array without performing any dynamic allocations:为支持自定义内存分配策略，这些容器均允许通过一个 &lt;<ref_storage_ptr>&gt;（指向 {ref_memory_resource} 的智能指针）进行构造。其构造函数签名的参数顺序与使用 {req_Allocator} 参数的标准库等价类型一致。容器一旦构造完成，其内存资源便不可更改。以下代码创建了一个未执行任何动态分配的数组：</ref_storage_ptr>
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Allocators
Allocators分配器
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When a <<ref_value>>, <<ref_array>>, or <<ref_object>> is assigned or constructed from an initializer list, the creation of the new value happens only once. This makes initializer lists equally efficient as using the other ways to create a value. The types in this library are first-class, supporting copy and move construction and assignment:
When a <当 &lt;<ref_value>>, <&gt;, &lt;<ref_array>>, or <<ref_object>> is assigned or constructed from an initializer list, the creation of the new value happens only once. This makes initializer lists equally efficient as using the other ways to create a value. The types in this library are first-class, supporting copy and move construction and assignment:&gt;, 或 &lt;<ref_object>&gt; 通过初始化列表进行赋值或构造时，新值的创建仅发生一次。这使得初始化列表在效率上与其他创建值的方式相当。本库中的类型均为一等类型，支持复制和移动构造及赋值：</ref_object></ref_array></ref_value>
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While keys are strings, the mapped type of objects and the element type of arrays is the aforementioned type <<ref_value>> which can hold any JSON element, as seen in the previous assignments. Instead of building the JSON document using a series of function calls, we can build it in one statement using an initializer list:
While keys are strings, the mapped type of objects and the element type of arrays is the aforementioned type <<ref_value>> which can hold any JSON element, as seen in the previous assignments. Instead of building the JSON document using a series of function calls, we can build it in one statement using an initializer list:尽管键是字符串，但对象的映射类型和数组的元素类型均为前述的 &lt;<ref_value>&gt; 类型，它可以保存任意 JSON 元素，如前文赋值所示。除了通过一系列函数调用构建 JSON 文档外，我们还可以使用初始化列表在一条语句中完成构建：</ref_value>
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In this library the types <<ref_array>>, <<ref_object>>, and <<ref_string>> hold JSON arrays, objects, and strings respectively while the type <<ref_value>> is a special variant which can hold any JSON element. Here we construct an empty object and then insert the elements above:
In this library the types <在本库中，类型 &lt;<ref_array>>, <&gt;、&lt;<ref_object>>, and <&gt; 和 &lt;<ref_string>> hold JSON arrays, objects, and strings respectively while the type <<ref_value>> is a special variant which can hold any JSON element. Here we construct an empty object and then insert the elements above:&gt; 分别用于表示 JSON 数组、对象和字符串，而类型 &lt;<ref_value>&gt; 是一种特殊的变体（variant），可容纳任意 JSON 元素。以下示例首先构造一个空对象，然后插入上述元素：</ref_value></ref_string></ref_object></ref_array>
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Say you want to recreate this JSON object in a container:
Say you want to recreate this JSON object in a container:假设您要在容器中重建一下 JSON 对象：
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Values
Values值
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In order to link your program you will need to link with a built library. Alternatively you can use the header-only configuration simply by including this header file in any __one__ of your new or existing source files:
In order to link your program you will need to link with a built library. Alternatively you can use the header-only configuration simply by including this header file in any __one__ of your new or existing source files:为链接程序，您需要链接已构建的库。或者，您可以使用仅需头文件（header-only）的配置，只需在任意__一个__新建或现有源文件中包含此头文件：
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= Quick Look Here we highlight important features through example code to help convey the style of the interface. We begin by including the library header file which brings all the symbols into scope. Alternatively, individual headers may be included to obtain the declarations for specific types:
= Quick Look Here we highlight important features through example code to help convey the style of the interface. We begin by including the library header file which brings all the symbols into scope. Alternatively, individual headers may be included to obtain the declarations for specific types:快速浏览 这里我们通过示例代码重点介绍重要特性，以帮助理解接口风格。首先包含库头文件，该文件将所有符号引入作用域；或者，也可以包含单独的头文件以获取特定类型的声明：
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Processed 6 strings from the uploaded files (skipped: 0, not found: 0, updated: 6).
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include::quick_look.adoc[] include::dom/overview.adoc[] include::allocators/overview.adoc[] include::io/overview.adoc[] include::conversion/overview.adoc[] include::examples.adoc[] include::faq.adoc[] include::benchmarks.adoc[] include::comparison.adoc[] include::reference.adoc[] include::../../CHANGELOG.adoc[]
include::quick_look.adoc[] include::dom/overview.adoc[] include::allocators/overview.adoc[] include::io/overview.adoc[] include::conversion/overview.adoc[] include::examples.adoc[] include::faq.adoc[] include::benchmarks.adoc[] include::comparison.adoc[] include::reference.adoc[] include::../../CHANGELOG.adoc[]
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:leveloffset: +1
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include::../../README.adoc[]
include::../../README.adoc[]
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