Struct Extensions 

pub struct Extensions { /* private fields */ }

Request-local typed extensions for router and middleware context.

Implementations

impl Extensions

pub fn new() -> Self

Creates an empty extensions map.

pub fn insert<T>(&mut self, value: T) -> Option<T>

where T: Any + Send + Sync + 'static,

Inserts a typed value, replacing any previous value of the same type.

pub fn get<T>(&self) -> Option<&T>

where T: Any + Send + Sync + 'static,

Returns a shared reference to a previously inserted typed value.

pub fn get_mut<T>(&mut self) -> Option<&mut T>

where T: Any + Send + Sync + 'static,

Returns a mutable reference to a previously inserted typed value.

pub fn remove<T>(&mut self) -> Option<T>

where T: Any + Send + Sync + 'static,

Removes a previously inserted typed value.

Trait Implementations

impl Default for Extensions

fn default() -> Extensions

Returns the “default value” for a type.