[lang-ref] ( test_immutable_array ) ( kotlin )
@Test
fun testImmutableArray() {
val itemsMutable = mutableListOf("A", "B", "C")
val itemsImmutable = listOf("A", "B", "C")
assertEquals(itemsMutable.size, 3)
assertEquals(itemsImmutable.size, 3)
itemsMutable.add("D")
assertEquals(itemsMutable.size, 4)
// cannot build
// itemsImmutable.add("D")
}