pub trait AsLabel {
// Required methods
fn file_id(&self) -> usize;
fn span(&self) -> Range<usize>;
// Provided methods
fn primary_label(&self) -> Label<usize> { ... }
fn secondary_label(&self) -> Label<usize> { ... }
}
pub trait AsLabel {
// Required methods
fn file_id(&self) -> usize;
fn span(&self) -> Range<usize>;
// Provided methods
fn primary_label(&self) -> Label<usize> { ... }
fn secondary_label(&self) -> Label<usize> { ... }
}