Module: mod

define constant $pi = 3.1415927d0;

define macro moo
  { moo(?:name, ?e:expression) } => { let ?name = ?e; }
end;

// abc
define method foo-bar (n :: <integer>, #rest a, #key k, #all-keys) => (m :: <float>, b :: <boolean>)
  let x = n + 2.0 + #b10 + #o2 + #x02;
  format-out("dog // cat\n");
  local method pi () $pi end;
  pi()
end method foo-bar;

/*
 cow
 */
foo-bar(2, k: k, a-b: c);