16 lines
543 B
Text
16 lines
543 B
Text
# visible.ludic — L3: a program in no module uses what module bank exports: a function to call
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# and an event to listen to. Its private `add` and `balance` stay out of reach.
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#
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# Running it prints: 42 42
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import "bank"
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program Visible {
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state VisibleState {
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heard: int = 0
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}
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@On(Deposited) handler Heard(visible_st: mut VisibleState) { visible_st.heard += amount }
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entry (bank_st: mut BankState, visible_st: VisibleState) {
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deposit(bank_st, 30)
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deposit(bank_st, 12)
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print(`{total(bank_st)} {visible_st.heard}`)
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}
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}
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