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parkpd/ch4. pointer of pointer.cpp

Created May 17, 2016 11:51
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ch4. pointer of pointer.cpp
void Subject::removeObserver(Observer* observer) {
Observer** current = &head_;
while (*current != NULL) {
if (*current == observer) {
*current = (*current)->next_;
observer->next_ = NULL;
return;
}
current = &(*current)->next_;
}
})
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