assert_is_rstudio_current(severity = getOption("assertive.severity", "stop"))
is_rstudio_current()"stop", "warning", "message", or "none".is_rstudio_current returns TRUE or FALSE, and
assert_is_rstudio_current throws an error in the event of an out of
date RStudio. Non-RStudio IDEs throw an error.downloadUpdateInfo
function from
beginUpdateCheck from
is_rstudio, is_rstudio_desktop