{ cabal, mtl, text }: cabal.mkDerivation (self: { pname = "boomerang"; version = "1.4.2"; sha256 = "0vy70anwnh7649za6nzb65fx09vqkf50a961da6gzwvbaf526rd0"; buildDepends = [ mtl text ]; meta = { description = "Library for invertible parsing and printing"; license = self.stdenv.lib.licenses.bsd3; platforms = self.ghc.meta.platforms; }; })