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@Ryusuke-Kawasaki
Created November 3, 2014 06:26
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property7.swift
class Person{
...
var isAdult:Bool{
return (age >= 20)
}
...
}
var person = Person(firstName: "Hanako", lastName: "Sakura")
person.age = 15
println(person.isAdult)
person.age = 30
println(person.isAdult)
//結果
//false
//true
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