component statement
    sequence of a "LOOP" iteration.  Execution of an exit statement
    causes termination of the smallest enclosing "LOOP" statement and
    continuation with the statement following that "LOOP" statement.

    <h4>Return</h4>

    A return statement is executed by first evaluating the component
    expression. Execution of the program is then terminated, with the
    value of the component expression as the result.  The type of the
    expression must be the same as the return type of 