Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for a snapshot of the develop branch, built from commit b74290b127.
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basic_multi_buffer::prepare

Returns a mutable buffer sequence representing writable bytes.

Synopsis
mutable_buffers_type
prepare(
    size_type n);
Description

Returns a mutable buffer sequence representing the writable bytes containing exactly n bytes of storage. Memory may be reallocated as needed. All buffer sequences previously obtained using prepare are invalidated. Buffer sequences previously obtained using data remain valid.

Parameters

Name

Description

n

The desired number of bytes in the returned buffer sequence.

Exceptions

Type

Thrown On

std::length_error

if size() + n exceeds max_size().

Exception Safety

Strong guarantee.


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