deprec-funs.md
In dplyr: A Grammar of Data Manipulation

funs() is deprecated

Code
  funs(fn = bar)
Condition
  Warning:
  `funs()` was deprecated in dplyr 0.8.0.
  i Please use a list of either functions or lambdas:

  # Simple named list: list(mean = mean, median = median)

  # Auto named with `tibble::lst()`: tibble::lst(mean, median)

  # Using lambdas list(~ mean(., trim = .2), ~ median(., na.rm = TRUE))
Output
  <fun_calls>
  $ fn: bar(.)

funs() give meaningful error messages

Code
  (expect_error(funs(function(si) {
    mp[si]
  })))
Output
  <error/rlang_error>
  Error in `funs()`:
  ! `function(si) { mp[si] }` must be a function name (quoted or unquoted) or an unquoted call, not `function`.
Code
  (expect_error(funs(~ mp[.])))
Output
  <error/rlang_error>
  Error in `funs()`:
  ! `~mp[.]` must be a function name (quoted or unquoted) or an unquoted call, not `~`.