from __future__ import absolute_import
from __future__ import division
from __future__ import print_function


special_symbols = {
    "<unk>"  : 0,
    "<s>"    : 1,
    "</s>"   : 2,
    "<cls>"  : 3,
    "<sep>"  : 4,
    "<pad>"  : 5,
    "<mask>" : 6,
    "<eod>"  : 7,
    "<eop>"  : 8,
}

VOCAB_SIZE = 32000
UNK_ID = special_symbols["<unk>"]
CLS_ID = special_symbols["<cls>"]
SEP_ID = special_symbols["<sep>"]
MASK_ID = special_symbols["<mask>"]
EOD_ID = special_symbols["<eod>"]