Crate rust_implimentation 

Structs

InterfaceCat 🔒

A Speaker implementation that meows.

InterfaceDog 🔒

A Speaker implementation that barks.

PureBreedDog 🔒

The sole SingleSpeaker implementation; there is nothing else to dispatch to.

Traits

SingleSpeaker 🔒

Part 4: Monomorphic dispatch via a generic function.

Speaker 🔒

Part 3: Interface-based polymorphism via trait objects (dynamic dispatch through a vtable pointer embedded in the fat pointer &dyn Speaker).

Functions

direct_speak 🔒

Monomorphic target resolved at compile time via generics.

main 🔒

make_speak 🔒

Dynamic Dispatch via trait object (dyn Speaker).