Hi every one,

First, thank you for the attention and help you'll give to this post.

I don't succed to use the function "Util.if_ "  in the following exemple ,  I don't know how to initialize the list<DAE.ComponentRef> connectorCref. !!

Thanks for your help

Regards

Alain


/-------------------------------------
protected function sortVars_ALAIN
  input  list<BackendDAE.Var> inVars;
  input  list<DAE.ComponentRef> inConnectorCref;
  output list<DAE.ComponentRef> outConnectorCref;
protected
   list<DAE.ComponentRef> outCref;
algorithm
   outCref := sortConnectorVars(inVars,1);
   outConnectorCref := listAppend(inConnectorCref,outCref);
end sortVars_ALAIN
//-----------------------------------------------------------------------------------------------
protected function sortConnectorVars
"Sort the variables keeping their componentReference."
  input list<BackendDAE.Var> inVarLst;
  input Integer inInteger;
  output list<DAE.ComponentRef> outConnectorCref;
algorithm
  outConnectorCref :=
    matchcontinue (inVarLst,inInteger)
     local
      Integer varno;
      list<DAE.ComponentRef> outCRLst;

      Integer var_1;
      list<DAE.ComponentRef> connectorCref;

      BackendDAE.Var v;
      DAE.ComponentRef cr;
      DAE.ConnectorType ct;
      list<BackendDAE.Var> xs;

    case ({},_) then {};
    case (((v as BackendDAE.VAR(varName=cr,connectorType=ct))::xs),varno)
      equation
        connectorCref = Util.if_(BackendVariable.isVarConnector(v),listAppend(connectorCref,{BackendVariable.varCref(v)}),connectorCref);   <========= ?????

        //connectorCref = ListAppend(Util.if_(BackendVariable.isVarConnector(v),BackendVariable.varCref(v),{}), connectorCref);
        //connectorCref = List.fold(,addVcref,{});

        var_1 = varno+1;
        outCRLst = sortConnectorVars(xs,var_1);
      then
        outCRLst;
  end matchcontinue;
end sortConnectorVars;