Trait Hear 

pub trait Hear {
    // Required method
    fn heard(&self, block: &Buffer) -> bool;
}

What hears the root’s samples block by block as they are pulled.

Required Methods

fn heard(&self, block: &Buffer) -> bool

False lets the render go.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors