message: Fixed lambda function warning
diff: @@ -23,7 +23,7 @@ TEST(primal_integral, evaluate_area_integral)
  int npts = 15;
  // Define anonymous functions for testing
  - auto const_integrand = [](Point2D x) -> double { return 1.0; };
  + auto const_integrand = [](Point2D /*x*/) -> double { return 1.0; };
  auto poly_integrand = [](Point2D x) -> double { return x[0] * x[1] * x[1]; };
  auto transc_integrand = [](Point2D x) -> double {
  return std::sin(x[0] * x[1]);
  @@ -79,7 +79,7 @@ TEST(primal_integral, evaluate_line_integral_scalar)
  int npts = 30;
  // Define anonymous functions for testing
  - auto const_integrand = [](Point2D x) -> double { return 1.0; };
  + auto const_integrand = [](Point2D /*x*/) -> double { return 1.0; };
  auto poly_integrand = [](Point2D x) -> double { return x[0] * x[1] * x[1]; };
  auto transc_integrand = [](Point2D x) -> double {
  return std::sin(x[0] * x[1]);
  