kw super

data Animal { name: str }
impl Animal {
  open fn speak() -> str => "..."
  fn hello() -> str => "I am {name}: {speak()}"
}

data Dog { embed Animal; breed: str }
impl Dog { override fn speak() -> str => "Woof, {super.speak()}" }

Dog{ name: "Rex", breed: "lab" }.hello()    // "I am Rex: Woof, ..."

use std.time { Duration, now }
use std.http.{Client as Http}
use self.billing { charge }      // a module of one's own package
use super.common { Money }       // the parent module
use auth.tokens { verify }       // a dependency from oxl.toml
use parsers { <|> }              // importing an operator
use std.coll.*                   // all pub names (a warning in libraries)