[−][src]Trait opentelemetry::api::propagation::Extractor
Extractor provides an interface for removing fields from an underlying struct like HashMap
Required methods
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.
Implementations on Foreign Types
impl<S: BuildHasher> Extractor for HashMap<String, String, S>
[src]
fn get(&self, key: &str) -> Option<&str>
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Get a value for a key from the HashMap.
fn keys(&self) -> Vec<&str>
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Collect all the keys from the HashMap.