add_row() for list columns #148
Description
should add NULL, currently:
> rbind(data_frame(a = list(1)), data_frame(a = NA))
# A tibble: 2 × 1
a
* <list>
1 <dbl [1]>
2 <lgl [1]>
{{ message }}
should add NULL, currently:
> rbind(data_frame(a = list(1)), data_frame(a = NA))
# A tibble: 2 × 1
a
* <list>
1 <dbl [1]>
2 <lgl [1]>