{ cabal, mtl }: cabal.mkDerivation (self: { pname = "brainfuck"; version = "0.1"; sha256 = "0lsw62g4ir8idjjadsdf46p8mqd88mysn0b499bk3x5l5js858z3"; isLibrary = true; isExecutable = true; buildDepends = [ mtl ]; meta = { description = "Brainfuck interpreter"; license = "GPL"; platforms = self.ghc.meta.platforms; }; })