change mutate_if example in na_if documentation to mutate across (#…

…5516) * change mutate_if example in na_if doc to mutate across * use na_if() and document() Co-authored-by: Romain Francois <[email protected]>
tidyverse · Sep 2, 2020 · 134c871 · 134c871
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diff --git a/R/na_if.R b/R/na_if.R
@@ -24,16  24,16 @@
 #' y <- c("abc", "def", "", "ghi")
 #' na_if(y, "")
 #'
-#' # na_if is particularly useful inside mutate,
 #' # na_if() is particularly useful inside mutate(),
 #' # and is meant for use with vectors rather than entire data frames
 #' starwars %>%
 #'   select(name, eye_color) %>%
 #'   mutate(eye_color = na_if(eye_color, "unknown"))
 #'
-#' # na_if can also be used with scoped variants of mutate
-#' # like mutate_if to mutate multiple columns
 #' # na_if() can also be used with mutate() and across()
 #' # to mutate multiple columns
 #' starwars %>%
-#'   mutate_if(is.character, list(~na_if(., "unknown")))
 #'    mutate(across(where(is.character), ~na_if(., "unknown")))
 na_if <- function(x, y) {
   check_length(y, x, fmt_args("y"), glue("same as {fmt_args(~x)}"))
 

diff --git a/man/dplyr-package.Rd b/man/dplyr-package.Rd
diff --git a/man/na_if.Rd b/man/na_if.Rd