tests/testthat/_snaps/n-distinct.md

In dplyr: A Grammar of Data Manipulation

n_distinct() generates useful errors

Code
  n_distinct()
Condition
  Error in `n_distinct()`:
  ! `...` is absent, but must be supplied.
Code
  n_distinct(x = 1:4)
Condition
  Error in `n_distinct()`:
  ! Arguments in `...` must be passed by position, not name.
  x Problematic argument:
  * x = 1:4
Code
  n_distinct(mean)
Condition
  Error in `n_distinct()`:
  ! `..1` must be a vector, not a function.
  i Read our FAQ about scalar types (`?vctrs::faq_error_scalar_type`) to learn more.

dplyr documentation built on Feb. 3, 2026, 9:08 a.m.