static_buffer::prepare

Boost C++ Libraries

static_buffer::prepare

Returns a mutable buffer sequence representing writable bytes.

Synopsis

mutable_buffers_type
prepare(
    std::size_t n);

Description

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

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.