src/main/kotlin/Hello.kt


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fun b(func: B.()->Unit){B().func()}

class B{
	fun String.f(){
		println("+$this")
	}
	operator fun unaryPlus(){
		println("+++")
	}
}

fun main(args: Array<String>) {

	b{
		"Hello Foo World! 123 321 !!!".f()
	}

	val bb=B()
	+bb
}