I'm writing some cross-platform code between Windows and Mac.
If list::end() "returns an iterator that addresses the location succeeding the last element in a list" and can be checked when traversing a list forward, what is the best way to traverse backwards?
This code workson the Mac but not on Windows (can't decrement beyond first element):
list<DVFGfxObj*>::iterator iter = m_Objs.end();
for (iter--; iter!=m_Objs.end(); iter--)// By accident discovered that the iterator is circular ?
{
}
this works on Windows:
list<DVFGfxObj*>::iterator iter = m_Objs.end();
do{
iter--;
} while (*iter != *m_Objs.begin());
Is there another way to traverse backward that could be implemented in a for loop?