[PWGUD] Fix compilation warnings (AliceO2Group#8923)

Author: vkucera

PWGUD/Tasks/fwdMuonsUPC.cxx

@@ -638,7 +638,7 @@ struct fwdMuonsUPC {
 
   // function that processes the MC gen candidates:
   // it applies some kinematics cut and fills the histograms
-  void processMcGenCand(aod::UDMcCollisions::iterator const& mcCand,
+  void processMcGenCand(aod::UDMcCollisions::iterator const& /*mcCand*/,
                         aod::UDMcParticles::iterator const& McPart1, aod::UDMcParticles::iterator const& McPart2)
   {
 

PWGUD/Tasks/sginclusivePhiKstarSD.cxx

@@ -951,7 +951,7 @@ struct SGResonanceAnalyzer {
   ConfigurableAxis axisVertex{"axisVertex", {10, -10, 10}, "vertex axis for bin"};
   ConfigurableAxis axisMultiplicityClass{"axisMultiplicityClass", {10, 0, 100}, "multiplicity percentile for bin"};
   using BinningTypeVertexContributor = ColumnBinningPolicy<aod::collision::PosZ, aod::collision::NumContrib>;
-  void mixprocess(UDCollisionsFull1 const& collisions, udtracksfull const& track)
+  void mixprocess(UDCollisionsFull1 const& collisions, udtracksfull const& /*track*/)
   {
     TLorentzVector v0;
     TLorentzVector v1;

PWGUD/Tasks/upcJpsiCentralBarrelCorr.cxx

@@ -2231,7 +2231,7 @@ struct UpcJpsiCentralBarrel {
     processMC(mcCollision, mcParticles);
   }
 
-  void processMCUnskimmed(aod::McCollision const& mcCollision, soa::SmallGroups<soa::Join<aod::McCollisionLabels, aod::Collisions>> const& collisions /*, aod::McParticles const& mcParticles, aod::TracksIU const& tracks*/)
+  void processMCUnskimmed(aod::McCollision const&, soa::SmallGroups<soa::Join<aod::McCollisionLabels, aod::Collisions>> const& collisions /*, aod::McParticles const& mcParticles, aod::TracksIU const& tracks*/)
   {
     processMCU(collisions);
   }

PWGUD/Tasks/upcTauCentralBarrelRL.cxx

@@ -149,7 +149,7 @@ struct UpcTauCentralBarrelRL {
     ConfigurableAxis axisFITtime{"axisFITtime", {201, -40.5, 40.5}, "FIT time in ns"};
     ConfigurableAxis axisFITamplitude{"axisFITamplitude", {1000, 0., 1000.}, "FIT amplitude"};
 
-    AxisSpec axisChannels{CH_ENUM_COUNTER, -0.5, CH_ENUM_COUNTER - 0.5, "Channels (-)"};
+    AxisSpec axisChannels{CH_ENUM_COUNTER, -0.5, +CH_ENUM_COUNTER - 0.5, "Channels (-)"};
   } confAxis;
 
   using FullUDTracks = soa::Join<aod::UDTracks, aod::UDTracksExtra, aod::UDTracksDCA, aod::UDTracksPID, aod::UDTracksFlags>;
@@ -2301,21 +2301,21 @@ struct UpcTauCentralBarrelRL {
 
   } // end processMCgenDG
 
-  void processTestMC(FullMCUDCollision const& reconstructedCollision,
-                     FullMCUDTracks const& reconstructedBarrelTracks,
+  void processTestMC(FullMCUDCollision const& /*reconstructedCollision*/,
+                     FullMCUDTracks const& /*reconstructedBarrelTracks*/,
                      aod::UDMcCollisions const&,
                      aod::UDMcParticles const&)
   {
-    if (reconstructedCollision.has_udMcCollision()) {
-      const auto& generatedCollision = reconstructedCollision.udMcCollision();
-      printDebugMessage(Form("%lli udMcCollision found", generatedCollision.size()));
-    }
-
-    const auto& track = reconstructedBarrelTracks.iteratorAt(0);
-    if (track.size() && track.has_udMcParticle()) {
-      const auto& particle = track.udMcParticle();
-      printDebugMessage(Form("%lli udMcParticle found", particle.size()));
-    }
+    // if (reconstructedCollision.has_udMcCollision()) {
+    //   const auto& generatedCollision = reconstructedCollision.udMcCollision();
+    //   printDebugMessage(Form("%lli udMcCollision found", generatedCollision.size())); // FIXME: Type of size() is not invariant.
+    // }
+
+    // const auto& track = reconstructedBarrelTracks.iteratorAt(0);
+    // if (track.size() && track.has_udMcParticle()) {
+    //   const auto& particle = track.udMcParticle();
+    //   printDebugMessage(Form("%lli udMcParticle found", particle.size())); // FIXME: Type of size() is not invariant.
+    // }
 
   } // end processTestMC