# A tibble: 3 × 9
      a     b     c     d      e          f                   g         h
  <dbl> <int> <lgl> <chr> <fctr>     <date>              <dttm>    <list>
1   1.0     1  TRUE     a      a 2015-12-10 2015-12-09 10:51:35 <int [1]>
2   2.5     2 FALSE     b      b 2015-12-11 2015-12-09 10:51:36 <int [1]>
3    NA    NA    NA  <NA>     NA       <NA>                <NA> <int [1]>
           i
      <list>
1 <list [2]>
2 <list [1]>
3 <list [1]>
