I've recently hunted down a troublesome bug in my own code, and am looking for an easy mechanism to detect this kind of error in other R code. The problem was an undefined variable inside of a function. Unfortunately, R looked for that variable in the global environment and found it since there was variable with that name in my testing scripts (note to self: do not name things "x").
Is there an easy way to report all the non-local objects accessed in a function? Is there any easy way around the usual scoping rules? I want to be able to get to base functions, and am willing to namespace:: or ::: access all of my own functions (it's in a package) if necessary to block the standard scoping rules. The language def section on environments made me hurt. Thanks, C Ryan King Dept Health Studies University of Chicago ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
