@hackage / pointedlist

A zipper-like comonad which works as a list, tracking a position.

Latest0.6.1

About

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  • Last updated , by fread2281
  • License BSD-3-Clause

  • Maintained by: jeffwheeler@gmail.com

  • Lottery factor: 0

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A PointedList tracks the position in a non-empty list which works similarly to a zipper. A current item is always required, and therefore the list may never be empty. A circular PointedList wraps around to the other end when progressing past the actual edge.