lens-1.9: Lenses, Folds and Traversals
root :: Simple Lens (Tree a) aSource
A Lens that focuses on the root of a Tree.
children :: SimpleIndexedTraversal Int (Tree a) (Tree a)Source
A Traversal of the direct descendants of the root of a Tree
indexed by its position in the list of children
Produced by Haddock version 2.10.0