//@ `shared_ref_demo` creates three shared references to `v`:
//@ The reference `first` begins in the 2nd line of the function and lasts all the way to the end. The other two
//@ references, created for calling `vec_min`, only last for the duration of that respective call.
//@ `shared_ref_demo` creates three shared references to `v`:
//@ The reference `first` begins in the 2nd line of the function and lasts all the way to the end. The other two
//@ references, created for calling `vec_min`, only last for the duration of that respective call.