pub trait RetryPredicate<Params> {
// Required method
fn test(&self, params: &Params) -> bool;
// Provided method
fn name(&self) -> &str { ... }
}pub trait RetryPredicate<Params> {
// Required method
fn test(&self, params: &Params) -> bool;
// Provided method
fn name(&self) -> &str { ... }
}