// USE_IS_CHECK
class A<T>(val n: T) {
    fun foo() {

    }

    <caret>override fun equals(other: Any?): Boolean{
        if (this === other) return true
        if (other !is A<*>) return false

        if (n != other.n) return false

        return true
    }

    override fun hashCode(): Int{
        return n?.hashCode() ?: 0
    }
}