Struct Fallback 

pub struct Fallback {
    pub candidates: Vec<Composable>,
    /* private fields */
}

Fallback chain: try each agent in sequence until one succeeds.

Fields

candidates: Vec<Composable>

Candidate composables tried in order until one succeeds.

Implementations

impl Fallback

pub fn new(candidates: Vec<Composable>) -> Self

Create a fallback chain from the given candidates.

pub fn middleware(self, composite: MiddlewareComposite) -> Self

Attach middleware to the fallback agent (e.g. M::on_fallback(|name| …)), observed when a fallback branch activates.

Trait Implementations

impl Clone for Fallback

fn clone(&self) -> Fallback

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Fallback

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

Formats the value using the given formatter.

impl From<Fallback> for Composable

fn from(f: Fallback) -> Self

Converts to this type from the input type.