b = a; // ...and back, no casts required!
/*
* If a were too big for an int you'd get a runtime exception. The Big Integer Library
* throws C-strings (that is, `const char *'s) when something goes wrong. It's a good
b = a; // ...and back, no casts required!
/*
* If a were too big for an int you'd get a runtime exception. The Big Integer Library
* throws C-strings (that is, `const char *'s) when something goes wrong. It's a good
- * idea to catch them. Some C++ compilers need a special command-line option to compile
- * code that uses throw/catch.
+ * idea to catch them; the `try/catch' construct wrapping all this code is an example
+ * of how to do this. Some C++ compilers need a special command-line option to compile
+ * code that uses exceptions.