Dmitriy Novozhilov
14 lines
369 B
Kotlin
Vendored
14 lines
369 B
Kotlin
Vendored
// KT-524 sure() returns T
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package StringBuilder
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//import kotlin.io.*
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//import java.io.*
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fun main() {
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}
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val Int.bd : StringBuilder get() = StringBuilder(this.toString())
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fun StringBuilder.plus(other : StringBuilder) : StringBuilder = this.append(other).sure1() // !!!
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fun <T : Any> T?.sure1() : T { return if (this != null) this else throw NullPointerException() } |