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type: table cell
Provides the facilities of a circular dynamic buffer. subject to an upper limit placed on the total size of the input and output areas defined by a constexpr template parameter. The implementation never moves memory during buffer operations. The storage for the sequences are kept in the class; the implementation does not perform heap allocations.
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[link beast.ref.boost__beast__buffer_ref `buffer_ref`] [link beast.ref.boost__beast__ref `ref`]
[link beast.ref.boost__beast__buffer_ref `buffer_ref`] [link beast.ref.boost__beast__ref `ref`]
This function converts a beast buffer, that is to be passed by reference, into a buffer reference, that can be passed by value into asio functions.

It implements the __DynamicBuffer__v2__ concept.
该函数用于将通过引用传递的 Beast 缓冲区转换为可通过值传递给 Asio 函数的缓冲区引用。该函数实现了 __DynamicBuffer__v2__ 概念。
The __DynamicBuffer__ concept introduced in __Asio__ models a buffer sequence which supports an owning, resizable range. Beast provides this set of additional implementations of the dynamic buffer concept:
__Asio__ 中引入的 __DynamicBuffer__ 概念用于描述一种支持所有权且可调整大小的缓冲区序列。Beast 提供以下一组动态缓冲区概念的补充实现：
Dynamic Buffer Implementations
动态缓冲区实现类型
115
Name
名称
115
Description
描述
[link beast.ref.boost__beast__buffers_adaptor `buffers_adaptor`]
[link beast.ref.boost__beast__buffers_adaptor `buffers_adaptor`]
This wrapper adapts any __MutableBufferSequence__ into a __DynamicBuffer__ with an upper limit on the total size of the input and output areas equal to the size of the underlying mutable buffer sequence. The implementation does not perform heap allocations.
该包装器用于将任意 __MutableBufferSequence__ 适配为 __DynamicBuffer__，其输入与输出区域的总大小上限等于底层可变缓冲区序列的大小。该实现不进行堆内存分配。
[link beast.ref.boost__beast__flat_buffer `flat_buffer`] [link beast.ref.boost__beast__basic_flat_buffer `basic_flat_buffer`]
[link beast.ref.boost__beast__flat_buffer `flat_buffer`] [link beast.ref.boost__beast__basic_flat_buffer `basic_flat_buffer`]
Guarantees that input and output areas are buffer sequences with length one. Upon construction an optional upper limit to the total size of the input and output areas may be set. The basic container is an [@https://en.cppreference.com/w/cpp/named_req/AllocatorAwareContainer [*AllocatorAwareContainer]].
该类保证输入与输出区域均为长度为一的缓冲区序列。构造时可设置输入与输出区域总大小的可选上限。该基本容器是一个 [@https://en.cppreference.com/w/cpp/named_req/AllocatorAwareContainer [分配器感知容器]]。
[link beast.ref.boost__beast__multi_buffer `multi_buffer`] [link beast.ref.boost__beast__basic_multi_buffer `basic_multi_buffer`]
[link beast.ref.boost__beast__multi_buffer `multi_buffer`] [link beast.ref.boost__beast__basic_multi_buffer `basic_multi_buffer`]
Uses a sequence of one or more character arrays of varying sizes. Additional character array objects are appended to the sequence to accommodate changes in the size of the character sequence. The basic container is an [@https://en.cppreference.com/w/cpp/named_req/AllocatorAwareContainer [*AllocatorAwareContainer]].
该类使用一个或多个大小不同的字符数组构成的序列。当字符序列的大小发生变化时，会向该序列中追加额外的字符数组对象。该基本容器是一个 [@https://en.cppreference.com/w/cpp/named_req/AllocatorAwareContainer [分配器感知容器]]。
[link beast.ref.boost__beast__flat_static_buffer `flat_static_buffer`] [link beast.ref.boost__beast__flat_static_buffer_base `flat_static_buffer_base`]
[link beast.ref.boost__beast__flat_static_buffer `flat_static_buffer`] [link beast.ref.boost__beast__flat_static_buffer_base `flat_static_buffer_base`]
Guarantees that input and output areas are buffer sequences with length one. Provides the facilities of a dynamic buffer, subject to an upper limit placed on the total size of the input and output areas defined by a constexpr template parameter. The storage for the sequences are kept in the class; the implementation does not perform heap allocations.
该类保证输入与输出区域均为长度为一的缓冲区序列。它提供动态缓冲区的功能，但输入与输出区域的总大小受模板常量表达式参数所定义的上限约束。该序列的存储空间保存在类内部，实现不进行堆内存分配。
[link beast.ref.boost__beast__static_buffer `static_buffer`] [link beast.ref.boost__beast__static_buffer_base `static_buffer_base`]
[link beast.ref.boost__beast__static_buffer `static_buffer`] [link beast.ref.boost__beast__static_buffer_base `static_buffer_base`]
Provides the facilities of a circular dynamic buffer. subject to an upper limit placed on the total size of the input and output areas defined by a constexpr template parameter. The implementation never moves memory during buffer operations. The storage for the sequences are kept in the class; the implementation does not perform heap allocations.
该类提供循环动态缓冲区的功能，输入与输出区域的总大小受模板常量表达式参数所定义的上限约束。实现过程中不会移动缓冲区中的内存数据。该序列的存储空间保存在类内部，实现不进行堆内存分配。
The buffers provide different guarantees regarding the allocated memory; stable means that existing mutable and const_buffers obtained by calling `data` or `prepare`, will remain valid.
这些缓冲区在内存分配方面提供不同的保证。“稳定”意味着通过调用 `data` 或 `prepare` 获取的现有可变缓冲区和常量缓冲区将保持有效。
Note that copies always requires a new call to `data` and `prepare`.`
请注意，拷贝操作始终需要重新调用 `data` 和 `prepare`。
Memory stability
内存稳定性
175
Name
名称
Allocation
内存分配
buffer sequence length
缓冲区序列长度
Max Size
最大容量
Movable
可移动语义
prepare/commit
数据准备与提交
consume
消耗
[link beast.ref.boost__beast__flat_buffer `flat_buffer`]
[link beast.ref.boost__beast__flat_buffer `flat_buffer`]
175
dynamic
 
175
1
 
175
yes
 
175
invalidating
 
English Chinese (Simplified Han script) Actions
[link beast.ref.boost__beast__buffers_prefix_view `buffers_prefix_view`]
[link beast.ref.boost__beast__buffers_prefix_view `buffers_prefix_view`]
[link beast.ref.boost__beast__buffers_range `buffers_range`] [link beast.ref.boost__beast__buffers_range_ref `buffers_range_ref`]
[link beast.ref.boost__beast__buffers_range `buffers_range`] [link beast.ref.boost__beast__buffers_range_ref `buffers_range_ref`]
Uses a sequence of one or more character arrays of varying sizes. Additional character array objects are appended to the sequence to accommodate changes in the size of the character sequence. The basic container is an [@https://en.cppreference.com/w/cpp/named_req/AllocatorAwareContainer [*AllocatorAwareContainer]].
该类使用一个或多个大小不同的字符数组构成的序列。当字符序列的大小发生变化时，会向该序列中追加额外的字符数组对象。该基本容器是一个 [@https://en.cppreference.com/w/cpp/named_req/AllocatorAwareContainer [分配器感知容器]]。
[link beast.ref.boost__beast__buffer_bytes `buffer_bytes`]
[link beast.ref.boost__beast__buffer_bytes `buffer_bytes`]
This class wraps the underlying memory of an existing buffer sequence and presents a suffix of the original sequence. The length of the suffix may be progressively shortened. This lets callers work with sequential increments of a buffer sequence.
该类用于包装现有缓冲区序列的底层内存，并呈现原始序列的一个后缀。该后缀的长度可以逐步缩短，方便调用方按顺序逐步处理缓冲区序列中的内容。
[link beast.ref.boost__beast__flat_buffer `flat_buffer`] [link beast.ref.boost__beast__basic_flat_buffer `basic_flat_buffer`]
[link beast.ref.boost__beast__flat_buffer `flat_buffer`] [link beast.ref.boost__beast__basic_flat_buffer `basic_flat_buffer`]
Max Size
最大容量
may invalidate
可能导致失效
Guarantees that input and output areas are buffer sequences with length one. Provides the facilities of a dynamic buffer, subject to an upper limit placed on the total size of the input and output areas defined by a constexpr template parameter. The storage for the sequences are kept in the class; the implementation does not perform heap allocations.
该类保证输入与输出区域均为长度为一的缓冲区序列。它提供动态缓冲区的功能，但输入与输出区域的总大小受模板常量表达式参数所定义的上限约束。该序列的存储空间保存在类内部，实现不进行堆内存分配。
[link beast.ref.boost__beast__static_buffer `static_buffer`] [link beast.ref.boost__beast__static_buffer_base `static_buffer_base`]
[link beast.ref.boost__beast__static_buffer `static_buffer`] [link beast.ref.boost__beast__static_buffer_base `static_buffer_base`]
The buffers provide different guarantees regarding the allocated memory; stable means that existing mutable and const_buffers obtained by calling `data` or `prepare`, will remain valid.
这些缓冲区在内存分配方面提供不同的保证。“稳定”意味着通过调用 `data` 或 `prepare` 获取的现有可变缓冲区和常量缓冲区将保持有效。
prepare/commit
数据准备与提交
consume
消耗
This class represents the buffer sequence formed from a prefix of an existing buffer sequence. This is the type of buffer returned by [link beast.ref.boost__beast__buffers_prefix `buffers_prefix`].
该类表示从现有缓冲区序列前缀中形成的新缓冲区序列。该类型与 [link beast.ref.boost__beast__buffers_prefix `buffers_prefix`] 返回的缓冲区类型一致。
This function returns an iterable range representing the passed buffer sequence. The values obtained when iterating the range will always be a constant buffer, unless the underlying buffer sequence is mutable, in which case the value obtained when iterating will be a mutable buffer. It is intended as a notational convenience when writing a ['range-for] statement over a buffer sequence.

The function [link beast.ref.boost__beast__buffers_range_ref `buffers_range`] maintains a copy of the buffer sequence, while [link beast.ref.boost__beast__buffers_range_ref `buffers_range_ref`] maintains a reference (in this case, the caller must ensure that the lifetime of the referenced buffer sequence extends until the range object is destroyed).
该函数用于返回一个表示所传入缓冲区序列的可迭代范围。迭代该范围时获取的值始终为常量缓冲区，除非底层缓冲区序列是可变的，此时迭代获取的值将变为可变缓冲区。该函数旨在为编写遍历缓冲区序列的 [范围 for] 语句提供便捷的语法表达。

[link beast.ref.boost__beast__buffers_range `buffers_range`] 函数会保留缓冲区序列的副本，而 [link beast.ref.boost__beast__buffers_range_ref `buffers_range_ref`] 则只保留引用（此时调用方需确保被引用缓冲区序列的生命周期延续到该范围对象销毁为止）。
[link beast.ref.boost__beast__buffers_suffix `buffers_suffix`]
[link beast.ref.boost__beast__buffers_suffix `buffers_suffix`]
This function converts a buffer sequence to a `std::string`. It can be used for diagnostic purposes and tests.
该函数用于将缓冲区序列转换为 `std::string` 字符串，可用于诊断和测试场景。
The __DynamicBuffer__ concept introduced in __Asio__ models a buffer sequence which supports an owning, resizable range. Beast provides this set of additional implementations of the dynamic buffer concept:
__Asio__ 中引入的 __DynamicBuffer__ 概念用于描述一种支持所有权且可调整大小的缓冲区序列。Beast 提供以下一组动态缓冲区概念的补充实现：
[link beast.ref.boost__beast__buffers_adaptor `buffers_adaptor`]
[link beast.ref.boost__beast__buffers_adaptor `buffers_adaptor`]
This wrapper adapts any __MutableBufferSequence__ into a __DynamicBuffer__ with an upper limit on the total size of the input and output areas equal to the size of the underlying mutable buffer sequence. The implementation does not perform heap allocations.
该包装器用于将任意 __MutableBufferSequence__ 适配为 __DynamicBuffer__，其输入与输出区域的总大小上限等于底层可变缓冲区序列的大小。该实现不进行堆内存分配。
Guarantees that input and output areas are buffer sequences with length one. Upon construction an optional upper limit to the total size of the input and output areas may be set. The basic container is an [@https://en.cppreference.com/w/cpp/named_req/AllocatorAwareContainer [*AllocatorAwareContainer]].
该类保证输入与输出区域均为长度为一的缓冲区序列。构造时可设置输入与输出区域总大小的可选上限。该基本容器是一个 [@https://en.cppreference.com/w/cpp/named_req/AllocatorAwareContainer [分配器感知容器]]。
[link beast.ref.boost__beast__multi_buffer `multi_buffer`] [link beast.ref.boost__beast__basic_multi_buffer `basic_multi_buffer`]
[link beast.ref.boost__beast__multi_buffer `multi_buffer`] [link beast.ref.boost__beast__basic_multi_buffer `basic_multi_buffer`]
[link beast.ref.boost__beast__flat_static_buffer `flat_static_buffer`] [link beast.ref.boost__beast__flat_static_buffer_base `flat_static_buffer_base`]
[link beast.ref.boost__beast__flat_static_buffer `flat_static_buffer`] [link beast.ref.boost__beast__flat_static_buffer_base `flat_static_buffer_base`]
Provides the facilities of a circular dynamic buffer. subject to an upper limit placed on the total size of the input and output areas defined by a constexpr template parameter. The implementation never moves memory during buffer operations. The storage for the sequences are kept in the class; the implementation does not perform heap allocations.
该类提供循环动态缓冲区的功能，输入与输出区域的总大小受模板常量表达式参数所定义的上限约束。实现过程中不会移动缓冲区中的内存数据。该序列的存储空间保存在类内部，实现不进行堆内存分配。
Memory stability
内存稳定性
Allocation
内存分配
buffer sequence length
缓冲区序列长度
[link beast.ref.boost__beast__make_printable `make_printable`]
[link beast.ref.boost__beast__make_printable `make_printable`]
This function wraps a __ConstBufferSequence__ so it may be used with `operator<<` and `std::ostream`.
该函数用于包装 __ConstBufferSequence__，使其能够与 `operator<<` 和 `std::ostream` 配合使用。
[link beast.ref.boost__beast__ostream `ostream`]
[link beast.ref.boost__beast__ostream `ostream`]

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User avatar Bstran

Translation changed
Provides the facilities of a circular dynamic buffer. subject to an upper limit placed on the total size of the input and output areas defined by a constexpr template parameter. The implementation never moves memory during buffer operations. The storage for the sequences are kept in the class; the implementation does not perform heap allocations.
Provides the facilities of a circular dynamic buffer. subject to an upper limit placed on the total size of the input and output areas defined by a constexpr template parameter. The implementation never moves memory during buffer operations. The storage for the sequences are kept in the class; the implementation does not perform heap allocations.该类提供循环动态缓冲区的功能，输入与输出区域的总大小受模板常量表达式参数所定义的上限约束。实现过程中不会移动缓冲区中的内存数据。该序列的存储空间保存在类内部，实现不进行堆内存分配。
06/12/2026
User avatar admin

String added in the repository
Provides the facilities of a circular dynamic buffer. subject to an upper limit placed on the total size of the input and output areas defined by a constexpr template parameter. The implementation never moves memory during buffer operations. The storage for the sequences are kept in the class; the implementation does not perform heap allocations.
Provides the facilities of a circular dynamic buffer. subject to an upper limit placed on the total size of the input and output areas defined by a constexpr template parameter. The implementation never moves memory during buffer operations. The storage for the sequences are kept in the class; the implementation does not perform heap allocations.
06/05/2026
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Glossary

English Chinese (Simplified Han script)
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String information

Source string description
type: table cell
Unit identifier
58943
Source string location
string ID 115
String age
06/05/2026
Last updated
06/26/2026
Source string age
06/05/2026
Translation file QuickBook file
doc/qbk/03_core/5_buffers_zh_Hans.qbk, string 39