Pick now in dplyr

functions.qmd

@@ -41,14 +41,6 @@ library(tidyverse)
 library(nycflights13)
 ```
 
-This chapter also relies on a function that hasn't yet been implemented for dplyr but will be by the time the book is out:
-
-```{r}
-pick <- function(cols) {
-  across({{ cols }})
-}
-```
-
 ## Vector functions
 
 We'll begin with vector functions: functions that take one or more vectors and return a vector result.

iteration.qmd

@@ -38,14 +38,6 @@ We're going to use just a couple of purrr functions from in this chapter, but it
 library(tidyverse)
 ```
 
-This chapter also relies on a function that hasn't yet been implemented for dplyr but will be by the time the book is out:
-
-```{r}
-pick <- function(cols) {
-  across({{ cols }})
-}
-```
-
 ## Modifying multiple columns {#sec-across}
 
 Imagine you have this simple tibble: