Function prepend

prepend<A>(that: Tree<A>): EndoOf<Zipper.Zipper<A>>
Insert the given node as the first child of the given focus.

At the keys move and tryMove you will find versions where the focus has been moved to the newly inserted node.
Type Parameters
- A
  The underlying type of the tree.
Parameters
- that: Tree<A>
Returns EndoOf<Zipper.Zipper<A>>
A function that takes a zipper and returns an updated zipper where the focus node has been replaced.
- Defined in src/zipper/modify.ts:31

Index

Methods

Methods

move

move<A>(that: Tree<A>): EndoOf<Zipper.Zipper<A>>
Type Parameters
- A
Parameters
- that: Tree<A>
Returns EndoOf<Zipper.Zipper<A>>
- Defined in src/zipper/modify.ts:42

tryMove

tryMove<A>(
that: Tree<A>,
): (zipper: Zipper.Zipper<A>) => Option<Zipper.Zipper<A>>
Type Parameters
- A
Parameters
- that: Tree<A>
Returns (zipper: Zipper.Zipper<A>) => Option<Zipper.Zipper<A>>
- Defined in src/zipper/modify.ts:37