/* Test complex expression in multi-value pattern */

/* Test the complex expression directly */
test_expr : age -> age >= 0 and age <= 120;

/* Test with complex expression */
validate_user : name age ->
  when (name != "") (test_expr age) is
    true true then "valid user"
    true false then "invalid age"
    false true then "invalid name"
    false false then "invalid user";

/* Test user validation */
valid_user : validate_user "Alice" 30;
..out valid_user;