Hexing the technical interview

“So we should start with a linked list?” You smile reassuringly.

“Yes,” Tim says, “but… um… just a regular linked list, please. I know you’re up on, well, functional programming, but we’re a more pragmatic shop here. Building real software. We want something practical.”

“Yes, of course,” you assent. “Practical. Got it.” One of your spiders–you can’t tell which–is picking its way carefully up Tim’s hoodie, and you scoop it up before typing.