Trait Topic 

pub trait Topic:
    Debug
    + Clone
    + Hash
    + Eq {
    type Item;

    // Required method
    fn topic(item: &Self::Item) -> Self;

    // Provided method
    fn fallback(self) -> Self { ... }
}

The topic that will be used to route items to a specific subscriber.

Required Associated Types

type Item

The type of the items in the Subable stream.

Required Methods

fn topic(item: &Self::Item) -> Self

Identify the topic from the item type.

Provided Methods

fn fallback(self) -> Self

Fallback for when the item is unhandled, you might want to change it’s Topic based on this knowledge.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors