// functional/Closure3.java

// (c)2021 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

// {WillNotCompile}

import java.util.function.IntSupplier;

public class Closure3 {

IntSupplier makeFun(int x) {

int i = 0;

// Neither x++ nor i++ will work:

return () -> x++ + i++;

}

}