{cabal}:

cabal.mkDerivation (self : {
  pname = "directory-tree";
  version = "0.10.0";
  sha256 = "08b0w9j55x6c06pri7yvv84n24inhpb4miybdnkyjkjy7r3yy7m4";
  meta = {
    description = "A simple directory-like tree datatype, with useful IO functions";
    license = "BSD3";
  };
})