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16 lines
265 B
Kotlin
Vendored
16 lines
265 B
Kotlin
Vendored
// IGNORE_BACKEND: JS_IR
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class A {
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private val sb: StringBuilder = StringBuilder()
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operator fun String.unaryPlus() {
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sb.append(this)
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}
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fun foo(): String {
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+"OK"
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return sb.toString()!!
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}
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}
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fun box(): String = A().foo()
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