r - Listing explicitly defined methods only (Reference Classes) -


Is there a way to list only those methods of reference category, which clearly Was defined in class definition (such as "System Classes" such as refObjectGenerator or envRefClass ) unlike those methods obtained? 

  example & lt; - SetRefClass (class = "example", fields = list), methods = list (testMethodA = function) ("test method A"}, testMethodB = function () {"test method B"}))  < / Pre> 
 You can currently obtain the  $ methods ()  method by calling (see ? SetRefClass ): 
 
  & Gt; Examples $ methods ("[1]" test "," test "," test "," test "," test "," test "," test " Trace "" using untrace "" methods " 
 
 What I'm looking for: 
 
  & gt; Example $ methods () [1] "testMethodA" "testMethodB"

1) Try it out: 

  & gt; Dummy & lt; - setRefClass (class = "dummy") & gt; Setdif (example $ methods), dummy $ methods ()) [1] "testmotha" "teststab"

2) This is another approach that seems to be To work here, but you can test it even more: 

  name (filter (function (x) atri (x, "refClassName") == example $ className, as .list (example $ def @ refMethods)))

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