pub trait DimSuffix {
// Required method
fn expand_dim(&self, suffix: &str) -> Cow<'_, str>;
// Provided method
fn remove_dim(&self) -> Cow<'_, str> { ... }
}pub trait DimSuffix {
// Required method
fn expand_dim(&self, suffix: &str) -> Cow<'_, str>;
// Provided method
fn remove_dim(&self) -> Cow<'_, str> { ... }
}