add mossformer code

hnluo

2023-08-10 bce72487636cf84c463381096216e995deb1920d

1
2
3
4
5
6
7
8
9
from abc import ABC
from abc import abstractmethod
from typing import Iterator
 
 
class AbsIterFactory(ABC):
    @abstractmethod
    def build_iter(self, epoch: int, shuffle: bool = None) -> Iterator:
        raise NotImplementedError