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waterlink/Throw.kt

Created October 15, 2018 15:45
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Throw.kt
interface Throw {
fun beats(other: Throw): Boolean
object SCISSORS : Throw {
override fun beats(other: Throw) = other != ROCK
}
object PAPER : Throw {
override fun beats(other: Throw) = other != SCISSORS
}
object ROCK : Throw {
override fun beats(other: Throw) = other != PAPER
}
}
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