Ilya Gorbunov
24 lines
393 B
Kotlin
Vendored
24 lines
393 B
Kotlin
Vendored
package foo
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import java.util.*
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class A<T>(val list: MutableList<T>) {
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fun addAll(c: Collection<T>) {
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list.addAll(c)
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}
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}
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operator fun <T> A<T>.plusAssign(other: Collection<T>) {
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addAll(other)
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}
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fun box(): Boolean {
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var v1 = arrayListOf("foo")
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val v2 = listOf("bar")
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val a = A(v1)
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a += v2
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return (v1.size == 2 && v1[0] == "foo" && v1[1] == "bar")
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}
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