Edit parts of a rose tree
The subtrees to be modified are selected by the first part of the IfThen pairs The modification by the second part
:: a typeCtrl KGHC 9.10.3 · lts/ghc-9.10.x · 248f8f0 · 2026-10-05
Modulehxt-9.3.1.22Haskell2010
arrows for efficient editing of rose trees
Edit parts of a rose tree
The subtrees to be modified are selected by the first part of the IfThen pairs The modification by the second part