Different behavior to provide information to the user (either a message, a warning or an error).
msg_warn_error(msg, type, startup = FALSE)
character string, text message.
character string, among "msg"
to print a message, "warn"
for
to raise a warning, and "error"
to raise an error.
boolean indicating if the function is called at startup or not.
Ghislain Durif
If type = "msg"
, then a message with content msg
is printed. If
type = "warning"
, then a warning with message msg
is raised. And if
type = "error"
, then an error with message msg
is raised.
If type = "msg"
and startup = TRUE
, then packageStartupMessage()
function is used instead of message()
.