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Accessing Storage Beyond `size()`
Accessing Storage Beyond 访问超出`size()`范围的存储空间
06/05/2026
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When a <<ref_string>> is formatted to a {std_ostream}, the result is a valid JSON. That is, the result will be double quoted and the contents properly escaped per the JSON specification.
When a <当&lt;<ref_string>> is formatted to a {std_ostream}, the result is a valid JSON. That is, the result will be double quoted and the contents properly escaped per the JSON specification.&gt;被格式化到{std_ostream}时，结果是一个有效的JSON。即输出结果将被双引号括起来，并且内容会根据JSON规范进行正确转义。</ref_string>
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Formatted Output
Formatted Output格式化输出
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A <<ref_string>> may be constructed using the <<default_memory_resource,default memory resource>> without incurring any memory allocations. Alternatively, a <<ref_storage_ptr>> can be provided explicitly:
A <&lt;<ref_string>> may be constructed using the <&gt; 可使用 &lt;<default_memory_resource,default memory="" resource>> without incurring any memory allocations. Alternatively, a <<ref_storage_ptr>> can be provided explicitly:="">&gt;（默认构造资源） 进行构造，且不会产生任何内存分配。或者，也可以显式提供一个 &lt;<ref_storage_ptr>&gt;：</ref_storage_ptr></default_memory_resource,default></ref_string>
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With the removal of overloads that specify parameters for a substring, a member function `subview` that returns a <<ref_string_view>> is provided to facilitate cheap substring operations:
With the removal of overloads that specify parameters for a substring, a member function `subview` that returns a <<ref_string_view>> is provided to facilitate cheap substring operations:随着用于指定子字符串参数的重载被移除，库提供了一个成员函数`subview`， 用于返回一个 &lt;<ref_string_view>&gt;，从而支持高效的子字符串操作：</ref_string_view>
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This design removes several redundant overloads from the interface. For example, the 11 overloads of `std::string::insert` are reduced to just 3 in <<ref_string>>, while still providing identical functionality. In addition to these changes, overloads taking a `std::initializer_list<char>` parameter have been removed. Such overloads have little use, as they serve as little more than wrappers for arrays with an inefficient syntax:
This design removes several redundant overloads from the interface. For example, the 11 overloads of `std::string::insert` are reduced to just 3 in <<ref_string>>, while still providing identical functionality. In addition to these changes, overloads taking a `std::initializer_list<char>` parameter have been removed. Such overloads have little use, as they serve as little more than wrappers for arrays with an inefficient syntax:这一设计从接口中移除了多个冗余的重载。例如，`std::string::insert` 原本有 11 个重载，而在 &lt;<ref_string>&gt; 中被减少到仅 3 个，同时仍提供完全相同的功能。除此之外，接受 `std::initializer_list<char>` 参数的重载也被移除。这类重载用途有限，因为它们本质上只是对字符数组的封装，且语法效率低下：</char></ref_string>
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are replaced with an overload accepting a <<ref_string_view>> parameter.
are replaced with an overload accepting a <<被一个接受 &lt;<ref_string_view>&gt; 参数的重载所替代。</ref_string_view>> parameter.
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specifies the length of the string
specifies the length of the string指定字符串的长度,
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a parameter of type `const_pointer` and a `size_type` parameter that
a parameter of type 一个`const_pointer` and a 类型的参数和一个`size_type` parameter that参数，该参数用于
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a `const_pointer` parameter, or
a 一个`const_pointer` parameter, or参数，或
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`size_type` parameters that specify a substring, or
用于指定子字符串的`size_type` parameters that specify a substring, or类型的参数，或
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a parameter of a type convertible to <<ref_string_view>> and two
a parameter of a type convertible to <<一个可转换为 &lt;<ref_string_view>&gt; 类型的参数以及两个</ref_string_view>> and two
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a parameter of a type convertible to <<ref_string_view>>, or
a parameter of a type convertible to <<一个可转换为 &lt;<ref_string_view>&gt; 类型的参数，或</ref_string_view>>, or
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substring, or
substring, or子字符串，或
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a `std::string` parameter and two `size_type` parameters that specify a
a一个 `std::string` parameter and two `size_type` parameters that specify a类型的参数以及两个 `size_type` 类型的参数，它们用于指定一个
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a `std::string` parameter, or
a 一个`std::string` parameter, or参数，或
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More formally, `std::string` member function overloads that accept any of the following parameter combinations as an input string:
More formally, `std::string` member function overloads that accept any of the following parameter combinations as an input string更正式地说，`std::string` 类的成员函数支持以下任意一种参数组合作为输入字符串:
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With augmented interface, operations requiring an input string are implemented as a single overload with a parameter of type <<ref_string_view>>, and can accept most string-like objects. Objects such as null terminated character pointers, `std::string`, <<ref_string>>, subranges of strings, and objects convertible to <<ref_string_view>> can all be passed to these functions.
With augmented interface, operations requiring an input string are implemented as a single overload with a parameter of type <<ref_string_view>>, and can accept most string-like objects. Objects such as null terminated character pointers, `std::string`, <<ref_string>>, subranges of strings, and objects convertible to <<ref_string_view>> can all be passed to these functions.通过增强的接口，所有需要输入字符串的操作均以单一重载形式实现，其参数类型为 &lt;<ref_string_view>&gt;，并可接受大多数类字符串对象。诸如以空字符结尾的字符指针、`std::string`、&lt;<ref_string>&gt;、字符串子范围以及可转换为 &lt;<ref_string_view>&gt; 的对象，均可传递给这些函数。</ref_string_view></ref_string></ref_string_view>
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small strings.
small strings.(短字符串)
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small buffer optimisation is guaranteed, which avoids allocating memory for
small buffer optimisation is guaranteed, which avoids allocating memory for保证采用小缓冲区优化，从而避免为短字符串分配内存。
06/05/2026

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