The Logic of Position Reordering

Order of The Cards — Photo by Sergi Viladesau on Unsplash

Reordering things seems to be something trivial. We do it almost every day, we sort our tasks, we sort our priorities — we move around that card on our Kanban board.

I mean, what could go wrong right?

The Cascading Reordering

Imagine you have an array of letters, and you want to reposition some element to another position.