Produce a warning

Produce a warning

warn(..., call. = FALSE, immediate. = TRUE, domain = NULL)

Arguments

..., domain

The message and optionally the domain used for translation. The ... arguments are passed to base::sprintf to create the message string.

call.

If base::TRUE, the call is included in the warning message, otherwise not.

immediate.

If base::TRUE, the warning is outputted immediately, otherwise not.