UtilAlgos/interface/FreeFunctionSelector.h

0001 #ifndef CommonTools_UtilAlgos_FreeFunctionSelector_h
0002 #define CommonTools_UtilAlgos_FreeFunctionSelector_h
0003 /* \class FreeFunctionSelector
0004  *
0005  * \author Luca Lista, INFN
0006  *
0007  * \version $Id: FreeFunctionSelector.h,v 1.1 2008/01/22 11:17:58 llista Exp $
0008  */
0009 template <typename T, bool (*f)(const T&)>
0010 struct FreeFunctionSelector {
0011   bool operator()(const T& t) { return f(t); }
0012 };
0013
0014 #include "FWCore/Framework/interface/ConsumesCollector.h"
0015 #include "CommonTools/UtilAlgos/interface/ParameterAdapter.h"
0016 #include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
0017
0018 namespace reco {
0019   namespace modules {
0020     template <typename T, bool (*f)(const T&)>
0021     struct ParameterAdapter<FreeFunctionSelector<T, f> > {
0022       typedef FreeFunctionSelector<T, f> value_type;
0023       static value_type make(const edm::ParameterSet& cfg, edm::ConsumesCollector& iC) { return value_type(); }
0024
0025       static void fillPSetDescription(edm::ParameterSetDescription& desc) {}
0026     };
0027   }  // namespace modules
0028 }  // namespace reco
0029
0030 #endif