Function isLeaf

isLeaf<A>(zipper: Zipper.Zipper<A>): boolean
True if the zipper is currently focused on a leaf.
Type Parameters
- A
  Underlying tree type.
Parameters
- zipper: Zipper.Zipper<A>
  Zipper to be queried.
Returns boolean
True if zipper is at leaf else false.
Example
```
import {Zipper, from, of} from 'effect-tree'

const tree = from(1, of(2), of(3))

const zipper = Zipper.fromTree(tree)

expect(Zipper.isLeaf(zipper)).toBe(false)

const moved = Zipper.head(zipper)

expect(Zipper.isLeaf(moved)).toBe(true)
```
- Defined in src/zipper/data.ts:245