> You shouldn't expect an abstraction to make a linked list the same thing as a vector - they aren't, and they never will be I would even argue that's the poin

> You shouldn't expect an abstraction to make a linked list the same thing as a vector - they aren't, and they never will be I would even argue that's the point of an abstraction. Hide the details that don't matter to the caller. If performance is a detail that matters, and the abstraction doesn't capture it, then you're using the wrong abstraction.