Is there any way to programmatically determine whether a given function in R has a standard rating, and if not, what component of the function’s evaluation is parsing, matching, defining areas, making promises, fulfilling promises, returning, etc. standard? I understand that closing is likely to be standard, and primitives are likely to be non-standard, but there are exceptions in both directions. I ask whether the semantics of a function are standard with respect to each of these things, and whether functional mechanics are standard.
I assume that these things should be deduced from a thorough and thorough reading of the manual page, as well as with the error of this code and with the absence of any link source code. But that would save me a lot of grief if I had a mechanical way to quickly identify non-standard functions when evaluating a given function.
If there is no way to programmatically identify all the ways in which a function is non-standard, are there testing methods for any aspect of standard?
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