Update PR with everything which works in deployment

Author: mcbarton

notebooks/xeus-cpp-lite-demo.ipynb

@@ -94,6 +94,261 @@
    "source": [
     "std::cerr << \"some error\" << std::endl;"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "id": "7af0c962-17dc-47d4-9772-b8a06e2bda3a",
+   "metadata": {
+    "vscode": {
+     "languageId": "c++"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "5\n"
+     ]
+    }
+   ],
+   "source": [
+    "int j = 5;\n",
+    "std::cout << j << std::endl;"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "526a7dba-4001-47d5-a116-95423118e100",
+   "metadata": {},
+   "source": [
+    "# Interpreting the C++ programming language\n",
+    "\n",
+    "You can define functions, classes, templates, etc ..."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "e5b116ce-ced1-4aa4-b14e-ef7d2606202e",
+   "metadata": {},
+   "source": [
+    "## Functions"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "id": "86b08f22-e16c-4eac-917d-ae6eeb7ec7cb",
+   "metadata": {
+    "vscode": {
+     "languageId": "c++"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "double sqr(double a)\n",
+    "{\n",
+    "    return a * a;\n",
+    "}"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "id": "5aff6711-54bf-4280-a496-c9f7c683eee5",
+   "metadata": {
+    "vscode": {
+     "languageId": "c++"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "6.25\n"
+     ]
+    }
+   ],
+   "source": [
+    "double a = 2.5;\n",
+    "double asqr = sqr(a);\n",
+    "std::cout << asqr << std::endl;"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "5b3959b0-9dc7-41a4-bba1-e20abd0765f7",
+   "metadata": {},
+   "source": [
+    "## Classes"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "id": "d981a53b-8185-49c5-8a30-02453cc1b9e9",
+   "metadata": {
+    "vscode": {
+     "languageId": "c++"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "class Foo\n",
+    "{\n",
+    "public:\n",
+    "\n",
+    "    virtual ~Foo() {}\n",
+    "    \n",
+    "    virtual void print(double value) const\n",
+    "    {\n",
+    "        std::cout << \"Foo value = \" << value << std::endl;\n",
+    "    }\n",
+    "};"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "id": "195d513f-d5cb-4e3d-a6cb-ae99dfcd9aab",
+   "metadata": {
+    "vscode": {
+     "languageId": "c++"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Foo value = 1.2\n"
+     ]
+    }
+   ],
+   "source": [
+    "Foo bar;\n",
+    "bar.print(1.2);"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "9ecc1588-cb6e-4676-bb16-b9938e980b06",
+   "metadata": {},
+   "source": [
+    "## Polymorphism"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 10,
+   "id": "4df90bea-5c9e-462e-bd20-d80fd169b7b6",
+   "metadata": {
+    "vscode": {
+     "languageId": "c++"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "class Bar : public Foo\n",
+    "{\n",
+    "public:\n",
+    "\n",
+    "    virtual ~Bar() {}\n",
+    "    \n",
+    "    virtual void print(double value) const\n",
+    "    {\n",
+    "        std::cout << \"Bar value = \" << 2 * value << std::endl;\n",
+    "    }\n",
+    "};"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 11,
+   "id": "f7dbbcc2-0f00-48eb-8bb9-94e871afa2a7",
+   "metadata": {
+    "vscode": {
+     "languageId": "c++"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Bar value = 2.4\n"
+     ]
+    }
+   ],
+   "source": [
+    "Foo* bar2 = new Bar;\n",
+    "bar2->print(1.2);\n",
+    "delete bar2;"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "094f4ca7-0aa5-4121-bfff-bf5db1d42c5d",
+   "metadata": {},
+   "source": [
+    "## Templates"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 12,
+   "id": "0df4f3a5-25a1-4548-ba63-54887c770dad",
+   "metadata": {
+    "vscode": {
+     "languageId": "c++"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "#include <typeinfo>\n",
+    "\n",
+    "template <class T>\n",
+    "class FooT\n",
+    "{\n",
+    "public:\n",
+    "    \n",
+    "    explicit FooT(const T& t) : m_t(t) {}\n",
+    "    \n",
+    "    void print() const\n",
+    "    {\n",
+    "        std::cout << typeid(T).name() << \" m_t = \" << m_t << std::endl;\n",
+    "    }\n",
+    "    \n",
+    "private:\n",
+    "    \n",
+    "    T m_t;\n",
+    "};"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 13,
+   "id": "e7bcab70-b9db-409c-aa04-9c64b413e266",
+   "metadata": {
+    "vscode": {
+     "languageId": "c++"
+    }
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "d m_t = 1.2\n"
+     ]
+    }
+   ],
+   "source": [
+    "FooT<double> foot(1.2);\n",
+    "foot.print();"
+   ]
   }
  ],
  "metadata": {