Struct nusb::transfer::ResponseBuffer

pub struct ResponseBuffer { /* private fields */ }

Returned buffer and actual length for a completed OUT transfer.

When an OUT transfer completes, a ResponseBuffer is returned in the Completion. The actual_length tells you how many bytes were successfully sent, which may be useful in the case of a partially-completed transfer.

The ResponseBuffer can be turned into an empty Vec to re-use the allocation for another transfer, or dropped to free the memory.

Implementations

impl ResponseBuffer

pub fn actual_length(&self) -> usize

Get the number of bytes successfully transferred.

pub fn reuse(self) -> Vec<u8>

Extract the buffer as an empty Vec to re-use in another transfer.

Trait Implementations

impl Debug for ResponseBuffer

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Drop for ResponseBuffer

fn drop(&mut self)

Executes the destructor for this type.

impl TryFrom<Completion<ResponseBuffer>> for ResponseBuffer

type Error = TransferError

The type returned in the event of a conversion error.

fn try_from(c: Completion<ResponseBuffer>) -> Result<Self, Self::Error>

Performs the conversion.

impl Send for ResponseBuffer

impl Sync for ResponseBuffer