Finish cleanup of Assignment 6, complete of Rust, and most of 396's assignments.

examples/test.cpp

@@ -10,33 +10,21 @@
 
 using namespace std;
 
-class A
-{
-    int i;
-
-public:
-    A(int ii = 0) : i(ii) {}
-    void show() { cout << i << endl; }
-};
-
-class B
-{
-    int x;
-
-public:
-    B(int xx) : x(xx) {}
-    operator A() const { return A(x); }
-};
-
-void g(A a)
-{
-    a.show();
-}
-
 int main()
 {
-    B b(10);
-    g(b);
-    g(20);
+    int wait_time = 46;
+    try
+    {
+        cout << "Try block entered.\n";
+        if (wait_time > 30)
+            throw wait_time;
+        cout << "Leaving try block.\n";
+    }
+    catch (int thrown_value)
+    {
+        cout << "Exception thrown with\n"
+             << "wait_time equal to " << thrown_value << endl;
+    }
+    cout << "After catch block." << endl;
     return 0;
 }