LMDataLoader(
  dataset,
  lens = NULL,
  cache = 2,
  bs = 64,
  seq_len = 72,
  num_workers = 0,
  shuffle = FALSE,
  verbose = FALSE,
  do_setup = TRUE,
  pin_memory = FALSE,
  timeout = 0L,
  batch_size = NULL,
  drop_last = FALSE,
  indexed = NULL,
  n = NULL,
  device = NULL
)