Log a warning message

Log messages will only be emitted if the log priority matches or is higher than the priority of your message

log_warn(message, ...)

Arguments

message

your message to log

...

more elements of the message, to be concatenated with the message

Value

invisibly returns TRUE/FALSE

Examples

if (FALSE) { # \dontrun{
log_warn("This is a warning message")
Sys.setenv("LOG_LEVEL" = "TRACE")
log_warn("This is a warning message")
} # }