Trait HeaderExtractor 

pub trait HeaderExtractor {
    type Error;

    // Required method
    fn extract_header<'a>(
        &self,
        headers: &'a HeaderMap,
    ) -> Result<&'a str, Self::Error>;
}

Required Associated Types

type Error

Required Methods

fn extract_header<'a>( &self, headers: &'a HeaderMap, ) -> Result<&'a str, Self::Error>

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl HeaderExtractor for DefaultHeaderExtractor

type Error = DefaultHeaderError

impl<H, Fn, E> HeaderExtractor for MapError<H, Fn>

where H: HeaderExtractor + Sync, Fn: FnOnce(H::Error) -> E + Clone + Sync,

type Error = E