tower_web/middleware/
identity.rs

1use super::{Middleware, Chain};
2
3use tower_service::Service;
4
5/// A no-op middleware.
6///
7/// When wrapping a `Service`, the `Identity` middleware returns the provided
8/// service without modifying it.
9#[derive(Debug, Default, Clone)]
10pub struct Identity {
11    _p: (),
12}
13
14impl Identity {
15    /// Create a new `Identity` value
16    pub fn new() -> Identity {
17        Identity { _p: () }
18    }
19}
20
21/// Decorates a `Service`, transforming either the request or the response.
22impl<S: Service> Middleware<S> for Identity {
23    type Request = S::Request;
24    type Response = S::Response;
25    type Error = S::Error;
26    type Service = S;
27
28    fn wrap(&self, inner: S) -> Self::Service {
29        inner
30    }
31}
32
33impl<T> ::util::Chain<T> for Identity {
34    type Output = Chain<Self, T>;
35
36    fn chain(self, other: T) -> Self::Output {
37        Chain::new(self, other)
38    }
39}
tower_web/middleware/identity.rs

tower_web/middleware/
identity.rs
