Writes a ruler.
# S3 method for Verbose
ruler(this, char="-", toColumn=this$rightMargin, length=toColumn - this$indentPos,
level=this$defaultLevel, ...)
A character
string to make up the ruler.
The column number where the ruler should finish.
The length of the ruler.
Not used.
A numeric
value to be compared to the threshold.
Returns nothing.
For more information see Verbose
.