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This functions returns a new buffer sequence which, when iterated, traverses the sequence which would be formed if all of the input buffer sequences were concatenated. With this routine, multiple calls to a stream's `write_some` function may be combined into one, eliminating expensive system calls.
This functions returns a new buffer sequence which, when iterated, traverses the sequence which would be formed if all of the input buffer sequences were concatenated. With this routine, multiple calls to a stream's `write_some` function may be combined into one, eliminating expensive system calls.该函数返回一个新的缓冲区序列，对该序列进行迭代遍历时，其效果相当于将所有输入缓冲区序列拼接在一起。利用该例程，可以将对流 `write_some` 函数的多次调用合并为一次，从而减少昂贵的系统调用。
06/12/2026
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[link beast.ref.boost__beast__buffers_cat `buffers_cat`]
[link beast.ref.boost__beast__buffers_cat `buffers_cat`]
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This is a more reliable version of [@boost:/doc/html/boost_asio/reference/buffer_size.html `net::buffer_size`] which is easier to use and also works for types which are convertible to `net::const_buffer` or `net::mutable_buffer`.
This is a more reliable version of [@boost:/doc/html/boost_asio/reference/buffer_size.html `net::buffer_size`] which is easier to use and also works for types which are convertible to这是一个更可靠的 `net::buffer_size` 版本，使用起来更简单，并且适用于可转换为 `net::const_buffer` or或 `net::mutable_buffer`. 的类型。
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[link beast.ref.boost__beast__buffer_bytes `buffer_bytes`]
[link beast.ref.boost__beast__buffer_bytes `buffer_bytes`]
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Description
Description描述
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Name
Name名称
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Buffer Algorithms and Types
Buffer Algorithms and Types缓冲区算法与类型
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To facilitate working with instances of the __ConstBufferSequence__ and __MutableBufferSequence__ concepts introduced in __Asio__, Beast treats those sequences as a special type of range. The following algorithms and wrappers are provided which transform these ranges efficiently using lazy evaluation. No memory allocations are used in the transformations; instead, they create lightweight iterators over the existing, unmodified memory buffers. Control of buffers is retained by the caller; ownership is not transferred.
To facilitate working with instances of the为方便处理 __Asio__ 中定义的 __ConstBufferSequence__ and和 __MutableBufferSequence__ concepts introduced in __Asio__, Beast treats those sequences as a special type of range. The following algorithms and wrappers are provided which transform these ranges efficiently using lazy evaluation. No memory allocations are used in the transformations; instead, they create lightweight iterators over the existing, unmodified memory buffers. Control of buffers is retained by the caller; ownership is not transferred.这两种概念，Beast 将它们视为一种特殊的范围类型。该库提供以下算法和包装器，采用延迟求值的方式对这类范围进行高效转换。转换时不会分配内存，只是在已有且未修改的内存缓冲区上创建轻量级迭代器。缓冲区的控制权依然属于调用方，不涉及所有权转移。
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Buffer Types
Buffer Types缓冲区类型
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This example shows the definition of a layered stream which keeps individual counts of the total number of bytes read from and written to the next layer. It meets the requirements for synchronous and asynchronous read and write streams:
This example shows the definition of a layered stream which keeps individual counts of the total number of bytes read from and written to the next layer. It meets the requirements for synchronous and asynchronous read and write streams:以下示例定义一个分层流，该流分别统计从下一层读取和写入的总字节数。该分层流满足同步与异步读写流的要求：
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Counted Stream __example__
Counted Stream __example计数流 __示例__
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A metafunction to return the type of the lowest layer used in a type representing a stack of stream layers. This is the type of reference returned by [link beast.ref.boost__beast__get_lowest_layer `get_lowest_layer`]
A metafunction to return the type of the lowest layer used in a type representing a stack of stream layers. This is the type of reference returned by一个元函数，用于返回表示流层堆栈的类型中所使用的最底层的类型。该类型与 [link beast.ref.boost__beast__get_lowest_layer `get_lowest_layer`] 返回的引用类型一致。
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[link beast.ref.boost__beast__lowest_layer_type `lowest_layer_type`]
[link beast.ref.boost__beast__lowest_layer_type `lowest_layer_type`]
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An ICY stream transparently converts the non-standard "ICY 200 OK" HTTP response from Shoutcast servers into a conforming 200 level HTTP response.
An ICY stream transparently converts the non-standard "流用于将 Shoutcast 服务器返回的非标准 “ICY 200 OK"” HTTP response from Shoutcast servers into a conforming 200 level HTTP response.响应透明转换为符合规范的 200 级别 HTTP 响应。
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[link beast.ref.boost__beast__http__icy_stream `http::icy_stream`]
[link beast.ref.boost__beast__http__icy_stream `http::icy_stream`]
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Returns the lowest layer in a stack of stream layers by recursively calling the `next_layer` member function on each object until reaching an object which lacks the member. This example puts a layered stream into non-blocking mode by retrieving the TCP/IP socket in the lowest layer and changing the socket option:

[code_core_4_layers_4]
Returns the lowest layer in a stack of stream layers by recursively calling the `next_layer` member function on each object until reaching an object which lacks the member. This example puts a layered stream into non-blocking mode by retrieving the TCP/IP socket in the lowest layer and changing the socket option:通过递归调用每个对象的 `next_layer` 成员函数，直到遇到没有该成员的对象，从而返回流层堆栈中的最底层。以下示例通过获取最底层的 TCP/IP 套接字并修改其套接字选项，将分层流设置为非阻塞模式：

[code_core_4_layers_4]
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[link beast.ref.boost__beast__get_lowest_layer `get_lowest_layer`]
[link beast.ref.boost__beast__get_lowest_layer `get_lowest_layer`]
06/12/2026
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This function closes a socket by performing an unqualified call to the [link beast.ref.boost__beast__beast_close_socket `beast_close_socket`] customization point, allowing sockets to be closed in generic contexts in an extensible fashion.
This function closes a socket by performing an unqualified call to the该函数通过无限定调用 [link beast.ref.boost__beast__beast_close_socket `beast_close_socket`] customization point, allowing sockets to be closed in generic contexts in an extensible fashion.这个定制点来关闭套接字，从而在泛型上下文中以一种可扩展的方式完成套接字关闭。
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[link beast.ref.boost__beast__close_socket `close_socket`]
[link beast.ref.boost__beast__close_socket `close_socket`]
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A buffered read stream meets the requirements for synchronous and asynchronous read and write streams, and additionally implements configurable buffering for reads.
A buffered read stream meets the requirements for synchronous and asynchronous read and write streams, and additionally implements configurable buffering for reads.带缓冲的读流用于满足同步和异步读写流的要求，并额外实现可配置的读缓冲功能。
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