Trait UsernameFormatter 

pub trait UsernameFormatter:
    Send
    + Sync
    + 'static {
    // Required method
    fn fmt_username(
        &self,
        proxy: &Proxy,
        filter: &ProxyFilter,
        username: &str,
        extensions: &Extensions,
    ) -> Option<String>;
}

Available on crate feature proxy only.

Formats Basic-auth proxy usernames, for example to add routing labels used by an upstream proxy router.

The formatter is invoked independently for every proxy candidate. It is not invoked for bearer credentials or proxies without credentials.

Required Methods

fn fmt_username( &self, proxy: &Proxy, filter: &ProxyFilter, username: &str, extensions: &Extensions, ) -> Option<String>

Format the username based on the root properties of the given proxy.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl UsernameFormatter for ()

fn fmt_username( &self, _proxy: &Proxy, _filter: &ProxyFilter, _username: &str, _extensions: &Extensions, ) -> Option<String>

Implementors

impl<F> UsernameFormatter for F

where F: Fn(&Proxy, &ProxyFilter, &str) -> Option<String> + Send + Sync + 'static,