dfr drop-duplicates for dataframe

Drops duplicate values in dataframe.

Signature

> dfr drop-duplicates

Examples

drop duplicates

> [[a b]; [1 2] [3 4] [1 2]] | dfr into-df | dfr drop-duplicates
╭───┬───┬───╮
│ # │ a │ b │
├───┼───┼───┤
│ 0 │ 3 │ 4 │
│ 1 │ 1 │ 2 │
╰───┴───┴───╯