[castis]

The edit button exists for a reason. Your regard for what is and is not cool is of little consequence. No one owes you an explanation.

[antoinevg]

And no one owes you a white boarded BFS implementation which bears no resemblance to how they would approach a problem in the real world.

[castis]

Let us all be grateful that you were never asked for one then.

[antoinevg]

Oh I know you weren't asking, I was merely responding to the incongruence apparent in your own expectations of the world.