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| prefix operator ^^ {} | |
| prefix func ^^ (rhs : Int) -> Int { | |
| return rhs < 0 ? 0 : rhs <= 2 ? 1 : ^^(rhs - 1) + ^^(rhs - 2) | |
| } | |
| postfix operator ^^ {} | |
| postfix func ^^ (lhs : Int) -> Int { | |
| return lhs < 0 ? 0 : lhs <= 2 ? 1 : ^^(lhs - 1) + ^^(lhs - 2) | |
| } | |
| infix operator ^+^ { associativity right precedence 140} | |
| func ^+^ (lhs : Int, rhs : Int) -> Int { | |
| return ^^rhs + ^^lhs | |
| //USAGE | |
| ^^(-1) // OUTPUT -> 0 | |
| 15^^ // OUTPUT -> 987 | |
| 5^+^6 //OUTPUT -> 21 |
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