Lists returned from RooWorkspace don't have dictionaries

[kukartsev]

Hi,

I see that STL lists returned by RooWorkspace do not have dictionaries. I think that this may be a bug in RooFit. I was discussing this issue in the PyROOT subforum, and Wim tracked it down and suggested a crutch but, unless this is a feature that I misunderstand, a fix may be needed. The details are at the end of this short thread:

list<RooAbsData*> returned from RooWorkspace [RESOLVED]

Hi, I cannot figure out how to work with the std::lists returned from RooFit objects. In particular, I have a RooWorkspace with a few datasets stored in it. I get all of them by _file = TFile("myWS.root") _ws = _file.Get("myWS") _data = ws.allData() print _data It outputs But now I have no idea how to iterate over it or access elements. I can access the first one with [EDITED] and I can create an iterator with begin() but how do I increment and dereference it? I would like an equivalent o…

[Wouter_Verkerke]

Hi,

Thanks for pointing that out. I’ll have that fixed for the next release.
This is now filed as Savannah #74319

Wouter

[Wouter_Verkerke]

Hi,

This has been fixed for ROOT 5.28

Wouter