$ cargo run
   Compiling drop-example v0.1.0 (file:///projects/drop-example)
    Finished dev [unoptimized + debuginfo] target(s) in 0.60s
     Running `target/debug/drop-example`
Utworzono CustomSmartPointer.
Porzucanie CustomSmartPointer z danymi `inne rzeczy`!
Porzucanie CustomSmartPointer z danymi `moje rzeczy`!
