pub trait FaceletTarget {
// Required method
fn to_facelets(&self) -> Vec<Facelet>;
// Provided method
fn as_facelet(&self) -> Facelet { ... }
}
pub trait FaceletTarget {
// Required method
fn to_facelets(&self) -> Vec<Facelet>;
// Provided method
fn as_facelet(&self) -> Facelet { ... }
}