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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,25 @@ | ||
struct Coin { | ||
var value: Int | ||
|
||
init(amount: Int) { | ||
self.value = amount | ||
} | ||
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init(other: inout Coin, amount: Int) { | ||
if other.getValue() >= amount { | ||
value += amount | ||
other.value -= amount | ||
} | ||
} | ||
|
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func getValue() -> Int { | ||
return value | ||
} | ||
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||
mutating func transfer(other: inout Coin, amount: Int) { | ||
if other.getValue() >= amount { | ||
value += amount | ||
other.value -= amount | ||
} | ||
} | ||
} |
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