pub trait EyeAPI<Inp> {
type Out;
// Required method
fn eye_f(self) -> Result<Self::Out>;
// Provided method
fn eye(self) -> Self::Out
where Self: Sized { ... }
}pub trait EyeAPI<Inp> {
type Out;
// Required method
fn eye_f(self) -> Result<Self::Out>;
// Provided method
fn eye(self) -> Self::Out
where Self: Sized { ... }
}