read-fwf.md
In readr: Read Rectangular Text Data

fwf_cols throws error when arguments are not length 1 or 2

Code
  fwf_cols(a = 1:3, b = 4:5)
Condition
  Error in `vroom::fwf_cols()`:
  ! All inputs must have the same shape.
  x Found inputs with different lengths: 3 and 2.
  i Provide either single values (widths) or pairs of values (positions).

Code
  fwf_cols(a = c(), b = 4:5)
Condition
  Error in `vroom::fwf_cols()`:
  ! All inputs must have the same shape.
  x Found inputs with different lengths: 0 and 2.
  i Provide either single values (widths) or pairs of values (positions).