bare0_3

examples/bare0.rs

@@ -37,11 +37,10 @@ static mut Y: u32 = 0;
 fn main() -> ! {
     // local mutable variable (changed in safe code)
     let mut x = unsafe { X };
-
     loop {
-        x += 1; // <- place breakpoint here (3)
+        x = x.wrapping_add(1); // <- place breakpoint here (3)
         unsafe {
-            X += 1;
+            X = X.wrapping_add(1);
             Y = X;
             assert!(x == X && X == Y);
         }
@@ -95,10 +94,10 @@ fn main() -> ! {
 //    Change (both) += operations to use wrapping_add
 //    load and run the program, what happens
 //    ** your answer here **
-//
+//    x wraps around and becomes 0 and X doesnt change
 //    Now continue execution, what happens
 //    ** your answer here **
-//
+//    x continues to get bigger X is still the same
 //    Commit your answers (bare0_3)
 //
 //    (If the program did not succeed back to the breakpoint