consecutive-id.md
In dplyr: A Grammar of Data Manipulation

follows recycling rules

Code
  consecutive_id(1:3, 1:4)
Condition
  Error in `consecutive_id()`:
  ! Can't recycle `..1` (size 3) to match `..2` (size 4).

generates useful errors

Code
  consecutive_id(x = 1:4)
Condition
  Error in `consecutive_id()`:
  ! Arguments in `...` must be passed by position, not name.
  x Problematic argument:
  * x = 1:4
Code
  consecutive_id(mean)
Condition
  Error in `consecutive_id()`:
  ! `..1` must be a vector, not a function.