bare2 and bare3

examples/bare3.rs

@@ -93,6 +93,6 @@ fn main() -> ! {
 // 5. Look for a way to make this copy done without a loop.
 //    https://doc.rust-lang.org/beta/std/primitive.slice.html
 //
-//    Implement and test your solution
+//    Implement and test your solution.
 //
 //    commit your answers (bare3_5)