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Translation

type: table cell
Returns a mutable buffer sequence u representing the output sequence, and where `buffer_size(u) == n`. The dynamic buffer reallocates memory as required. All constant or mutable buffer sequences previously obtained using `data()` or `prepare()` are invalidated.

Throws: `length_error` if `size() + n` exceeds `max_size()`.
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Key English Chinese (Simplified Han script) Actions
`T`
`T`
This type represents the memory associated with the input sequence.
该类型用于表示与输入序列关联的内存。
51
`D::mutable_buffers_type`
 
`U`
`U`
This type represents the memory associated with the output sequence.
该类型用于表示与输出序列关联的内存。
`c.size()`
`c.size()`
51
`std::size_t`
 
Returns the size, in bytes, of the input sequence.
返回输入序列的大小（以字节为单位）。
`c.max_size()`
`c.max_size()`
Returns the permitted maximum of the sum of the sizes of the input sequence and output sequence.
返回输入序列和输出序列大小之和的允许最大值。
`c.capacity()`
`c.capacity()`
Returns the maximum sum of the sizes of the input sequence and output sequence that the dynamic buffer can hold without requiring reallocation.
返回动态缓冲区在无需重新分配内存的情况下，所能容纳的输入序列和输出序列大小之和的最大值。
`c.data()`
`c.data()`
Returns a constant buffer sequence u that represents the memory associated with the input sequence, and where `buffer_size(u) == size()`.
返回一个常量缓冲区序列 `u`，该序列表示与输入序列关联的内存，且满足 `buffer_size(u) == size()`。
`a.prepare(n)`
`a.prepare(n)`
Returns a mutable buffer sequence u representing the output sequence, and where `buffer_size(u) == n`. The dynamic buffer reallocates memory as required. All constant or mutable buffer sequences previously obtained using `data()` or `prepare()` are invalidated.

Throws: `length_error` if `size() + n` exceeds `max_size()`.
返回一个表示输出序列的可变缓冲区序列 `u`，且满足 `buffer_size(u) == n`。动态缓冲区会根据需要重新分配内存。此前通过 `data()` 或 `prepare()` 获取的所有常量或可变缓冲区序列均会失效。

抛出异常：如果 `size() + n` 超过 `max_size()`，则抛出 `length_error`。
`a.commit(n)`
`a.commit(n)`
Appends `n` bytes from the start of the output sequence to the end of the input sequence. The remainder of the output sequence is discarded. If `n` is greater than the size of the output sequence, the entire output sequence is appended to the input sequence. All constant or mutable buffer sequences previously obtained using `data()` or `prepare()` are invalidated.
将输出序列开头的 `n` 个字节追加到输入序列的末尾。输出序列的剩余部分将被丢弃。如果 `n` 大于输出序列的大小，则将整个输出序列追加到输入序列中。此前通过 `data()` 或 `prepare()` 获取的所有常量或可变缓冲区序列均会失效。
`a.consume(n)`
`a.consume(n)`
Removes `n` bytes from beginning of the input sequence. If `n` is greater than the size of the input sequence, the entire input sequence is removed. All constant or mutable buffer sequences previously obtained using `data()` or `prepare()` are invalidated.
从输入序列的开头移除 `n` 个字节。如果 `n` 大于输入序列的大小，则移除整个输入序列。此前通过 `data()` 或 `prepare()` 获取的所有常量或可变缓冲区序列均会失效。
Models
模型
* [link beast.ref.boost__beast__basic_flat_buffer `basic_flat_buffer`]
* [link beast.ref.boost__beast__basic_multi_buffer `basic_multi_buffer`]
* [link beast.ref.boost__beast__flat_buffer `flat_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__static_buffer `static_buffer`]
* [link beast.ref.boost__beast__static_buffer_base `static_buffer_base`]
* [link beast.ref.boost__beast__multi_buffer `multi_buffer`]
* [link beast.ref.boost__beast__basic_flat_buffer `basic_flat_buffer`]
* [link beast.ref.boost__beast__basic_multi_buffer `basic_multi_buffer`]
* [link beast.ref.boost__beast__flat_buffer `flat_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__static_buffer `static_buffer`]
* [link beast.ref.boost__beast__static_buffer_base `static_buffer_base`]
* [link beast.ref.boost__beast__multi_buffer `multi_buffer`]
Key English Chinese (Simplified Han script) Actions
`a.consume(n)`
`a.consume(n)`
The interface to this concept is intended to permit the following implementation strategies:
该概念的接口旨在支持以下实现策略：
* A single contiguous octet array, which is reallocated as necessary to
* 使用单个连续字节数组，并根据需要对该数组进行重新分配
* A sequence of one or more octet arrays, where each array is of the same
* 使用一个或多个字节数组的序列，其中每个数组的大小均相同
* A sequence of one or more octet arrays of varying sizes. Additional octet
* 使用一个或多个大小可变的字节数组序列。额外的字节
* `D` denotes a dynamic buffer class.
* `a` denotes a value of type `D`.
* `c` denotes a (possibly const) value of type `D`.
* `n` denotes a value of type `std::size_t`.
* `T` denotes a type meeting the requirements for __ConstBufferSequence__.
* `U` denotes a type meeting the requirements for __MutableBufferSequence__.
* `D`：用于表示一个动态缓冲区类。
* `a`：用于表示一个 `D` 类型的值。
* `c`：用于表示一个 `D` 类型的值（可能为 const）。
* `n`：用于表示一个 `std::size_t` 类型的值。
* `T`：用于表示一个满足 __ConstBufferSequence__ 要求的类型。
* `U`：用于表示一个满足 __MutableBufferSequence__ 要求的类型。
Type
类型
`U`
`U`
This type represents the memory associated with the output sequence.
该类型用于表示与输出序列关联的内存。
`c.size()`
`c.size()`
Returns the size, in bytes, of the input sequence.
返回输入序列的大小（以字节为单位）。
Returns the permitted maximum of the sum of the sizes of the input sequence and output sequence.
返回输入序列和输出序列大小之和的允许最大值。
`c.capacity()`
`c.capacity()`
Returns the maximum sum of the sizes of the input sequence and output sequence that the dynamic buffer can hold without requiring reallocation.
返回动态缓冲区在无需重新分配内存的情况下，所能容纳的输入序列和输出序列大小之和的最大值。
Returns a constant buffer sequence u that represents the memory associated with the input sequence, and where `buffer_size(u) == size()`.
返回一个常量缓冲区序列 `u`，该序列表示与输入序列关联的内存，且满足 `buffer_size(u) == size()`。
`a.prepare(n)`
`a.prepare(n)`
Returns a mutable buffer sequence u representing the output sequence, and where `buffer_size(u) == n`. The dynamic buffer reallocates memory as required. All constant or mutable buffer sequences previously obtained using `data()` or `prepare()` are invalidated.

Throws: `length_error` if `size() + n` exceeds `max_size()`.
返回一个表示输出序列的可变缓冲区序列 `u`，且满足 `buffer_size(u) == n`。动态缓冲区会根据需要重新分配内存。此前通过 `data()` 或 `prepare()` 获取的所有常量或可变缓冲区序列均会失效。

抛出异常：如果 `size() + n` 超过 `max_size()`，则抛出 `length_error`。
51
`std::size_t`
 
51
`D::mutable_buffers_type`
 
51
`D::const_buffers_type`
 

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User avatar Bstran

Translation changed
Returns a mutable buffer sequence u representing the output sequence, and where `buffer_size(u) == n`. The dynamic buffer reallocates memory as required. All constant or mutable buffer sequences previously obtained using `data()` or `prepare()` are invalidated.

Throws: `length_error` if `size() + n` exceeds `max_size()`.
Returns a mutable buffer sequence u representing the output sequence, and where `buffer_size(u) == n`. The dynamic buffer reallocates memory as required. All constant or mutable buffer sequences previously obtained using返回一个表示输出序列的可变缓冲区序列 `u`，且满足 `buffer_size(u) == n`。动态缓冲区会根据需要重新分配内存。此前通过 `data()` or或 `prepare()` are invalidated.

Throws: `length_error` if获取的所有常量或可变缓冲区序列均会失效。

抛出异常：如果 `size() + n` exceeds超过 `max_size()`.，则抛出 `length_error`。
06/18/2026
User avatar admin

String added in the repository
Returns a mutable buffer sequence u representing the output sequence, and where `buffer_size(u) == n`. The dynamic buffer reallocates memory as required. All constant or mutable buffer sequences previously obtained using `data()` or `prepare()` are invalidated.

Throws: `length_error` if `size() + n` exceeds `max_size()`.
Returns a mutable buffer sequence u representing the output sequence, and where `buffer_size(u) == n`. The dynamic buffer reallocates memory as required. All constant or mutable buffer sequences previously obtained using `data()` or `prepare()` are invalidated.

Throws: `length_error` if `size() + n` exceeds `max_size()`.
06/05/2026
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Glossary

English Chinese (Simplified Han script)
No related strings found in the glossary.

String information

Source string description
type: table cell
Unit identifier
58546
Source string location
string ID 51
String age
06/05/2026
Last updated
06/26/2026
Source string age
06/05/2026
Translation file QuickBook file
doc/qbk/07_concepts/DynamicBuffer_zh_Hans.qbk, string 31