Trait opentelemetry::api::context::propagation::Carrier

pub trait Carrier {
    fn get(&self, key: &'static str) -> Option<&str>;
    fn set(&mut self, key: &'static str, value: String);
}

Carriers provide an interface for adding and removing fields from an underlying struct like HashMap.

Required methods

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

Get a value for a key from the underlying data.

fn set(&mut self, key: &'static str, value: String)

Add a key and value to the underlying.

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Implementations on Foreign Types

impl<S: BuildHasher> Carrier for HashMap<&'static str, String, S>

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

Get a value for a key from the HashMap.

fn set(&mut self, key: &'static str, value: String)

Set a key and value in the HashMap.

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Implementors

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