Trait Metadata

pub trait Metadata<T> {
    const KEY: &'static str;

    // Required methods
    fn set_metadata(&self, value: T);
    fn get_metadata(&self) -> Option<T>;
}

A type which has accessors for route request metadata of type T.

Required Associated Constants

const KEY: &'static str

A key string used for setting and getting the metadata.

Required Methods

fn set_metadata(&self, value: T)

Infallibly assigns value to self.

fn get_metadata(&self) -> Option<T>

Retrieves the subdir metadata from self, if present.

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.

Implementations on Foreign Types

impl Metadata<Availability> for Dict

const KEY: &'static str = "availability"

fn set_metadata(&self, value: Availability)

fn get_metadata(&self) -> Option<Availability>

impl Metadata<Rights> for Dict

const KEY: &'static str = "rights"

fn set_metadata(&self, value: Rights)

fn get_metadata(&self) -> Option<Rights>

Implementors