Added an example to test kernel util with more arguments

namespace QCOR 

{

open Microsoft.Quantum.Intrinsic;

// Deuteron ansatz (to be used a QCOR NISQ kernel)

operation ansatz(qubits : Qubit[], theta : Double) : Unit {

  X(qubits[0]);

  Ry(theta, qubits[1]);

  CNOT(qubits[1], qubits[0]);          

}

}

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#include <iostream> 

#include <vector>

#include "qir_nisq_kernel_utils.hpp"

#include "qcor_qsim.hpp"

// Util pre-processor to wrap Q# operation 

// in a QCOR QuantumKernel.

// Compile:

// Note: need to use alpha package since this kernel will take a qubit array.

// qcor -qdk-version 0.17.2106148041-alpha deuteron.qs vqe_driver.cpp 

// Note: the first qreg argument is implicit.

qcor_import_qsharp_kernel(QCOR__ansatz, double);

int main() {

  // Allocate 2 qubits

  auto q = qalloc(2);

  // Hamiltonian

  auto H = 5.907 - 2.1433 * X(0) * X(1) - 2.1433 * Y(0) * Y(1) + .21829 * Z(0) -

           6.125 * Z(1);

  auto problemModel = QuaSiMo::ModelFactory::createModel(QCOR__ansatz, H, 2, 1);

  auto optimizer = createOptimizer("nlopt");

  // Instantiate a VQE workflow with the nlopt optimizer

  auto workflow = QuaSiMo::getWorkflow("vqe", {{"optimizer", optimizer}});

  // Result should contain the ground-state energy along with the optimal

  // parameters.

  auto result = workflow->execute(problemModel);

  const auto energy = result.get<double>("energy");

  std::cout << "Ground-state energy = " << energy << "\n";

  return 0;

}

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#define CONSTRUCT_ARGS_LIST_(type_name, var_name) , type_name var_name

#define CONSTRUCT_ARGS_LIST(type_name, counter)                                \

  CONSTRUCT_ARGS_LIST_(type_name, __internal__var__##counter)

#define CONSTRUCT_VAR_NAME_LIST(type_name, counter) , __internal__var__##counter

  CONSTRUCT_ARGS_LIST_(type_name, m__internal__var__##counter)

#define CONSTRUCT_VAR_NAME_LIST(type_name, counter) , m__internal__var__##counter

// Macro to use to construct list of types and var names.

#define ARGS_LIST_FOR_FUNC_SIGNATURE(...)                                      \