What definition's body reaches about its own formals through the frame or call it sits in, as the
BuiltInFnInfo#frame bits of the reflective calls it makes (0 for none). get("x", envir = e) and
e$x are followed to the name directly; as.list(environment()) and a frame handed elsewhere mean any formal.
What
definition's body reaches about its own formals through the frame or call it sits in, as the BuiltInFnInfo#frame bits of the reflective calls it makes (0for none).get("x", envir = e)ande$xare followed to the name directly;as.list(environment())and a frame handed elsewhere mean any formal.