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