Struct NoopTextMapPropagator

pub struct NoopTextMapPropagator { /* private fields */ }

A no-op instance of an TextMapPropagator.

Implementations

impl NoopTextMapPropagator

pub fn new() -> Self

Create a new noop text map propagator

Trait Implementations

impl Debug for NoopTextMapPropagator

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

Formats the value using the given formatter.

impl Default for NoopTextMapPropagator

fn default() -> NoopTextMapPropagator

Returns the “default value” for a type.

impl TextMapPropagator for NoopTextMapPropagator

fn inject_context(&self, _cx: &Context, _injector: &mut dyn Injector)

Properly encodes the values of the Context and injects them into the Injector.

fn extract_with_context( &self, _cx: &Context, _extractor: &dyn Extractor, ) -> Context

Retrieves encoded data using the provided Extractor. If no data for this format was retrieved OR if the retrieved data is invalid, then the given Context is returned.

fn fields(&self) -> FieldIter<'_>

Returns iter of fields used by TextMapPropagator

fn inject(&self, injector: &mut dyn Injector)

Properly encodes the values of the current Context and injects them into the Injector.

fn extract(&self, extractor: &dyn Extractor) -> Context

Retrieves encoded data using the provided Extractor. If no data for this format was retrieved OR if the retrieved data is invalid, then the current Context is returned.