//! Module-level documentation

open std::io;

Result<T, E> ::= Ok (T) | Err (E);

/// This just logs a thing
log := fn(data ::= Display) {
  io::println("[info] {}", data);
};

// we need a main function
pub main := fn() -> () {
  io::println("Hello, world");
  data := [ 1, 2, 3 ];
  strings := data.map(Display::fmt).collect::<List<...>();
};