// "Replace method call on lambda with lambda body" "true-preview"
import java.util.function.BinaryOperator;

public class Main {
    public static void main(String[] args) {
        int l = 1;
        int q = 2;
        System.out.println(l + " " + q);
        l = ((BinaryOperator<Integer>) (i, _) -> i).<caret>apply(q, q = l);
        System.out.println(l + " " + q);
    }
}