libghc-directory-tree-doc 0.12.1-6build2 (riscv64 binary) in ubuntu hirsute

 A simple directory-like tree datatype, with useful IO functions and Foldable
 and Traversable instance
 .
 Provides a simple data structure mirroring a directory tree on the
 filesystem, as well as useful functions for reading and writing
 file and directory structures in the IO monad.
 .
 This package provides the documentation for a library for the Haskell
 programming language.
 See http://www.haskell.org/ for more information on Haskell.