Search Results
Search type | Search syntax |
---|---|
Tags | [tag] |
Exact | "words here" |
Author |
user:1234 user:me (yours) |
Score |
score:3 (3+) score:0 (none) |
Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
Views | views:250 |
Code | code:"if (foo != bar)" |
Sections |
title:apples body:"apples oranges" |
URL | url:"*.example.com" |
Saves | in:saves |
Status |
closed:yes duplicate:no migrated:no wiki:no |
Types |
is:question is:answer |
Exclude |
-[tag] -apples |
For more details on advanced search visit our help page |
A software design pattern in which an object, called the subject, maintains a list of its dependents, called observers, and notifies them automatically of any state changes, usually by calling one of their methods.
4
votes
C++ implementation of the observer design pattern
Design Review
Ownership
One of the advances of C++ over is C is ownership semantics. We understand who owns an object (and thus who is responsible for destroying the object). We do this by using a s …
5
votes
Accepted
Observer pattern implementation
Inheritance is by default private
class concreteObserver : ObserverInterface
^^^^ Need public: here
Mark overriden methods:
void update(std::string message) // override ???
…