Trait tower::steer::Picker

pub trait Picker<S, Req> {
    fn pick(&mut self, r: &Req, services: &[S]) -> usize;
}

This is supported on crate feature steer only.

This is how callers of Steer tell it which Service a Req corresponds to.

Required methods

fn pick(&mut self, r: &Req, services: &[S]) -> usize

Return an index into the iterator of Service passed to Steer::new.

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Implementors

impl<S, F, Req> Picker<S, Req> for F where
    F: Fn(&Req, &[S]) -> usize, 

fn pick(&mut self, r: &Req, services: &[S]) -> usize

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