Trait Extension

pub trait Extension {
    // Required method
    fn extend<'life0, 'life1, 'async_trait>(
        &'life0 mut self,
        request: &'life1 (dyn Request + Sync),
    ) -> Pin<Box<dyn Future<Output = Result<Extensions, ()>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait;
}

A system of addons provided additional data.

An endpoint not having any extension may use &mut () as the result of system.

Required Methods

fn extend<'life0, 'life1, 'async_trait>( &'life0 mut self, request: &'life1 (dyn Request + Sync), ) -> Pin<Box<dyn Future<Output = Result<Extensions, ()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Inspect the request to produce extension data.

Implementations on Foreign Types

impl Extension for ()

fn extend<'life0, 'life1, 'async_trait>( &'life0 mut self, _: &'life1 (dyn Request + Sync), ) -> Pin<Box<dyn Future<Output = Result<Extensions, ()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

impl Extension for AddonList

fn extend<'life0, 'life1, 'async_trait>( &'life0 mut self, request: &'life1 (dyn Request + Sync), ) -> Pin<Box<dyn Future<Output = Result<Extensions, ()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Implementors