On Thu, Jan 26, 2012 at 12:21 PM, Terry Brown <[email protected]> wrote:
>> Can anyone explain to me how programmers could, in any situation at >> all, create working code *without* knowing the types of the objects >> they use? > > With unknown types you can do as much as the known common base class allows. How is this different from knowing that the type of each object is (a subclass of) the common (known!) base class? In every case, what you can, in fact, write, is constrained by the common base class. If you don't know what that class is, it hardly seems possible to write useful code. Edward -- You received this message because you are subscribed to the Google Groups "leo-editor" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/leo-editor?hl=en.
