[−][src]Function async_coap::message::codec::decode_option
pub fn decode_option<'a>(
iter: &mut Iter<'a, u8>,
last_option: OptionNumber
) -> Result<Option<(OptionNumber, &'a [u8])>, Error>
Decodes one option from a core::slice::Iter
, which can be obtained from a byte slice.
The iterator is then advanced to the next option.
Will return Ok(None)
if it either encounters the end-of-options marker (0xFF) or if the
given iterator has been fully consumed.