// I'm trying to understand how expandable connectors
// work.  Hopefully the following simple model gets
// across the idea of what I'd like to do.  The comments
// in 'block Obfuscate' show the errors I'm encountering.
// Corrections and suggestions would be appreciated.
package ExpandTest

  expandable connector ExCon
    input Real ins[:];
    output Real outs[:];
    //input Real ins; // OK
    //output Real outs; // OK
  end ExCon;

  block Obfuscate
    ExCon ex;
    equation
       // The four choices below will result in
       // different error messages as indicated.
       // Commands check model, instantiate, then
       // simulate were applied in that order (i.e.
       // simulate: means it passed checks and instantiated).
       
       //for i in 1:size(ex.ins) loop // check model: fails to elaborate
       //for i loop // check model: dimension of ex.outs and ex.ins differ
       //for i in 1:size(ex.ins,1) loop // instantiate: range not constant or parameter     
       for i in 1:1 loop // simulate: internal error createSimCode failed
          ex.outs[i] = ex.ins[i];
       end for;
       //ex.outs = ex.ins; // OK
  end Obfuscate;

  model Trivial
    Real xin (start = 0.0);
    Real xout (start = 0.0);
    Real der_x (start = 1.0);
    Obfuscate io;
    equation
      connect (xin, io.ex.ins[1]);
      connect (xout, io.ex.outs[1]);   
      //connect (xin, io.ex.ins); // OK
      //connect (xout, io.ex.outs); // OK
      xin = sin(time);
      der_x = der(xout);
  end Trivial;

end ExpandTest;