Struct actix_web::dev::Extensions

pub struct Extensions { /* fields omitted */ }

A type map of request extensions.

Implementations

impl Extensions

pub fn new() -> Extensions

Create an empty Extensions.

pub fn insert<T>(&mut self, val: T) where
    T: 'static, 

Insert a type into this Extensions.

If a extension of this type already existed, it will be returned.

pub fn contains<T>(&self) -> bool where
    T: 'static, 

Check if container contains entry

pub fn get<T>(&self) -> Option<&T> where
    T: 'static, 

Get a reference to a type previously inserted on this Extensions.

pub fn get_mut<T>(&mut self) -> Option<&mut T> where
    T: 'static, 

Get a mutable reference to a type previously inserted on this Extensions.

pub fn remove<T>(&mut self) -> Option<T> where
    T: 'static, 

Remove a type from this Extensions.

If a extension of this type existed, it will be returned.

pub fn clear(&mut self)

Clear the Extensions of all inserted extensions.

pub fn extend(&mut self, other: Extensions)

Extends self with the items from another Extensions.

Trait Implementations

impl Debug for Extensions

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Default for Extensions

pub fn default() -> Extensions

Returns the "default value" for a type.