Struct NatsHeaderExtractor

pub struct NatsHeaderExtractor<'a> { /* private fields */ }

A convenience type that wraps a NATS HeaderMap and implements the Extractor trait

Implementations

impl<'a> NatsHeaderExtractor<'a>

pub fn new(headers: &'a HeaderMap) -> Self

Creates a new extractor using the given HeaderMap

pub fn new_from_message(msg: &'a Message) -> Self

Creates a new extractor using the given message

Trait Implementations

impl<'a> AsRef<HeaderMap> for NatsHeaderExtractor<'a>

fn as_ref(&self) -> &'a HeaderMap

Converts this type into a shared reference of the (usually inferred) input type.

impl<'a> Debug for NatsHeaderExtractor<'a>

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

Formats the value using the given formatter.

impl Extractor for NatsHeaderExtractor<'_>

fn get(&self, key: &str) -> Option<&str>

Get a value from a key from the underlying data.

fn keys(&self) -> Vec<&str>

Collect all the keys from the underlying data.