## S3 method for class 'RspRSourceCode':
evaluate(object, envir=parent.frame(), args="*", output=c("RspStringProduct", "stdout"),
..., verbose=FALSE)environment in which the RSP string is evaluated.character string specifying how the RSP output
should be handled/returned.output="stdout", then NULL is returned and the RSP output
is sent to the standard output. This is output is "non-buffered",
meaning it will be sent to the output as soon as it is generated.
If output="RspStringProduct", then the output is captured
and returned as an RspStringProduct with attributes set.RspRSourceCode.