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import annotation.varargs
class VaClass {
@varargs def vs(a: Int, b: String*) = println(a + b.length)
@varargs def vi(a: Int, b: Int*) = println(a + b.sum)
@varargs def vt[T](a: Int, b: T*) = println(a + b.length)
@varargs def vt1[T](a: Int, b: T*): T = b.head
}
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