Trait KeyExtractor 

pub trait KeyExtractor:
    Clone
    + Send
    + Sync
    + Debug
    + 'static {
    type Key: Clone + Send + Sync + Debug + Hash + Eq + 'static;

    // Required method
    fn extract<T>(&self, req: &Request<T>) -> Result<Self::Key, CacheError>;
}

Trait to extract the caching key from the given HTTP request

Required Associated Types

type Key: Clone + Send + Sync + Debug + Hash + Eq + 'static

The type of the key.

Required Methods

fn extract<T>(&self, req: &Request<T>) -> Result<Self::Key, CacheError>

Extraction method, will return Error response when the extraction failed

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors