Merge pull request #92 from TimTaylor/preserve-seed

Preserve state of random number generator
r-lib · Mar 12, 2024 · 7a8fb36 · 7a8fb36
2 parents 925a4d1 + 568da96
commit 7a8fb36
Show file tree

Hide file tree

Showing 3 changed files with 6 additions and 0 deletions.
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -44,3 +44,5 @@ Collate:
     'wildcards.R'
     'zzz.R'
 Config/Needs/website: r-lib/pkgdown, tidyverse/tidytemplate
+Imports: 
+    withr
diff --git a/NEWS.md b/NEWS.md
@@ -1,5 +1,7 @@
 ## Rex (development version)
 
+* Rex no longer changes the state of the random number generator when attached.
+
 ## Rex Version 1.2.1 ##
 
 * Kevin Ushey is now the maintainer

diff --git a/R/zzz.R b/R/zzz.R
@@ -1,6 +1,8 @@
 .onAttach <- function(lib, pkg) { # nolint
+  withr::with_preserve_seed({
   if (!interactive() || stats::runif(1) > 0.1) return()
 
   packageStartupMessage("Welcome to rex, the friendly regular expression helper!\n",
                         "Use 'rex_mode()' to toggle code completion for rex shortcuts and functions.")
+  })
 }