$ASSERTS:CONSOLE

DO
    a = INT(RND * 10)
    b$ = myFunc$(a)
    PRINT a, , b$
    _LIMIT 3
LOOP UNTIL _KEYHIT

FUNCTION myFunc$ (value AS SINGLE)
    _ASSERT value > 0, "Value cannot be zero"
    _ASSERT value <= 10, "Value cannot exceed 10"

    IF value > 1 THEN plural$ = "s"
    myFunc$ = STRING$(value, "*") + STR$(value) + " star" + plural$ + " :-)"
END FUNCTION