Concrete Statements

Abstract Statements

C

C1;C2

select {| a1| C1・・・ | an| Cn }

case {|| C1・・・ || Cn }

loop {C}

C

C1;C2

select {a1;C1| ・・・ | an;Cn}

case {C1| ・・・ | Cn}

loop {C}