Function coap_numbers::signaling_option::to_name

pub fn to_name(code: u8, option: u16) -> Option<&'static str>

Find the name for a CoAP signaling option when used with a particular code, if known.

Returns the registered name for an option, or None if it is not known.

use coap_numbers::code::*;
assert_eq!(signaling_option::to_name(CSM, MAX_MESSAGE_SIZE), Some("Max-Message-Size"));
assert_eq!(signaling_option::to_name(PING, 65000), None);