Function copy_tensor

utils/__init__.py:49–55

(src, dst)

    res = values[0].new(len(values), size).fill_(pad_idx)

    def copy_tensor(src, dst):
        assert dst.numel() == src.numel()
        if shift_right:
            dst[1:] = src[:-1]
            dst[0] = shift_id
        else:
            dst.copy_(src)

    for i, v in enumerate(values):
        copy_tensor(v, res[i][size - len(v):] if left_pad else res[i][:len(v)])