// first requirement rules out a garbage collector: Rust can run "bare metal".
// In fact, Rust rules out more classes of bugs than languages that achieve safety
// with a GC: Besides dangling pointers and double-free, Rust also prevents issues
-// such as iterator invalidation and race conditions.
+// such as iterator invalidation and data races.
//
//
// Getting started
mod part09;
mod part10;
mod part11;
+mod part12;
// To actually run the code of some part (after filling in the blanks, if necessary), simply edit the `main`
// function.