Function portal::reply::with_header

pub fn with_header<T: Reply, K, V>(reply: T, name: K, value: V) -> WithHeader<T> where
    HeaderName: TryFrom<K>,
    <HeaderName as TryFrom<K>>::Error: Into<Error>,
    HeaderValue: TryFrom<V>,
    <HeaderValue as TryFrom<V>>::Error: Into<Error>, 

Wrap an impl Reply to add a header when rendering.

Example

use portal::Filter;

let route = portal::any()
    .map(portal::reply)
    .map(|reply| {
        portal::reply::with_header(reply, "server", "portal")
    });