// Test then alignment
checkNumber : num ->
  when num is
    1 then "One"
    2 then "Two" 
    10 then "Ten"
    100 then "One Hundred"
    _ then "Something else";

// Test with nested when
classify : n ->
  when n is
    0 then "zero"
    _ then when n > 100 is
            true then "large"
            _    then when n > 10 is
                        true then "medium"
                        _    then "small";