Trait Predicate 

pub trait Predicate: Send + Sync {
    // Required method
    fn matches(&self, exchange: &Exchange) -> bool;
}

Predicate — a boolean test over an Exchange. Separate from Processor because EIPs like Filter/Choice compose predicates, not processors.

Required Methods

fn matches(&self, exchange: &Exchange) -> bool

Implementors

impl<F> Predicate for F

where F: Fn(&Exchange) -> bool + Send + Sync,