elm-zipper

shape	allows any types	`a == b == c`	`a == b == c == Char`
`(List a, List b)`	Zipper.ListList.Advanced	Zipper.ListList	Zipper.StringString
`(List a, b, List c)`	Zipper.ListElemList.Advanced	Zipper.ListElemList	Zipper.StringCharString
`(List a, List b, List c)`	Zipper.ListListList.Advanced	Zipper.ListListList	Zipper.StringStringString

And then there's also Zipper.StringStringString.WithCursor

For most uses, look at Zipper.ListElemList, Zipper.ListList and Zipper.ListListList first.

There are a few general kinds of functions.

Empty/singleton

Create the most basic zipper possible

Create

Create from various sources, including tuples, etc.

From zipper

Create a zipper by modifying a zipper of another kind

To zipper

Convert to a zipper of another kind

To list

Convert a zipper to a list or non-empty list in some way

Length

Get the length of the zipper, or a component. Also functions to get the position of the selection/split

Get

Functions that return some component of the zipper.

Set

Functions that replace some component of the zipper

Map

Functions that map over some component of the zipper. Mapping over elements of type List is done element-by-element

Update

Functions that apply a function to some component of the zipper. Mapping over elements of type List is done as one object.

Filter

Functions that filter list components.

Select/move

Functions that preserve the elements and order of a zipper, but change the location of the selection/split

Insert

Functions that insert new elements.

Sort

Functions that sort the existing elements.

Reverse

Reverse various portions of the zipper, or the entire zipper

Swap

Functions that swap two elements, often involving the selection, the first, the last, or the elements to either side of the selection

coreygirard/elm-zipper