Function TEST

unotest/unit_tests/VectorViewTests.cpp:9–16

using namespace uno;

TEST(VectorView, Size) {
   const std::vector<double> x{1., 2., 3., 100., 200., 300.};
   // vector view
   const size_t start_index = 2;
   const size_t end_index = 5;
   const auto x_view = view(x, start_index, end_index);
   ASSERT_EQ(x_view.size(), end_index - start_index);
}