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January 28, 2016 02:49
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class CuentaDeAhorros { | |
var delegate: CuentaDeAhorrosDelegate? | |
var saldo: Double = 0 { | |
willSet(nuevoSaldo) { | |
delegate?.notificarCambioDeSaldo(saldo, nuevoSaldo: nuevoSaldo) | |
} | |
} | |
} |
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