pointers to std::list elements

[n.torrey.pines]

If I insert and delete elements in a std::list, does the standard
guarantee that the pointers to the intact elements remain valid? If so,
where?

Example:

list<intlst;
lst.push_back(1);
lst.push_back(2);
lst.push_back(3);
lst.push_back(4);

int* p = &(++lst.begin()); // *p == 2

lst.remove(3);
lst.push_front(5);
lst.resize(10);

assert(*p == 2); // guaranteed ?

[Victor Bazarov]

n.torrey.pines wrote:

If I insert and delete elements in a std::list, does the standard
guarantee that the pointers to the intact elements remain valid? If
so, where?

Yes, it does. In the Clause 23 somewhere. Look for 'invalidate' or
'invalidates'. If you don't find that 'insert' or 'erase' specifies
that it invalidates, then it does not.

V
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