vector iterator erase
In the line: it2 = uc.erase(it2);. an element pointed by iterator it2 is removed from the vector, elements are shifted in memory in order to fill that gap which invalidates it2 . it2 gets a new value and now points to the first element after the the remo, Check out std::remove_if : #include <algorithm> // for remove_if #include <functional> // for unary_function struct delete_file : public std::unary_function<const std::string&, bool> bool operator()(const std::string& strPath)
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 vector iterator erase 相關參考資料
c++ - vector erase iterator - Stack Overflow
res.erase(it) always returns the next valid iterator, if you erase the last element it will point to .end(). At the end of the loop ++it is always called, so you increment .end() which is not allowed... https://stackoverflow.com c++ - Erase element in vector while iterating the same vector ...
In the line: it2 = uc.erase(it2);. an element pointed by iterator it2 is removed from the vector, elements are shifted in memory in order to fill that gap which invalidates it2 . it2 gets a new value... https://stackoverflow.com c++ - iterate vector, remove certain items as I go - Stack Overflow
Check out std::remove_if : #include <algorithm> // for remove_if #include <functional> // for unary_function struct delete_file : public std::unary_function<const std::string&, boo... https://stackoverflow.com c++ - Remove elements of a vector inside the loop - Stack Overflow
You should not increment it in the for loop: for (vector<Player>::iterator it=allPlayers.begin(); it!=allPlayers.end(); /*it++*/) <----------- I commented it. if(it->getpMoney()<=0) i... https://stackoverflow.com c++ - Vector Iterator erase two elements on condition - Stack Overflow
The problem is that the first call to erase() might very well invalidate the other iterator. See this post for a quick summary of what gets invalidated when in various containers. I'd say the sim... https://stackoverflow.com [C++]STL vector.erase() 導致迴圈錯誤– Tim Chang's Blog
昨天在寫Cocos2d-x 的時候用到STL 的vector. 遇到了幾個問題. 於是就寫起來當成筆記. 以前就滿常在用STL 裡的vector 了. 但就是拿個iterator（迭代器）去指這個vector. 就像是寫Linked-List 那樣. 例如： for (vector<int>::iterator i = IntegerVec.begin(); i != Integer... https://kw0006667.wordpress.co std::vector::erase - cppreference.com
Invalidates iterators and references at or after the point of the erase, including the end() iterator. The iterator pos must be valid and dereferenceable. Thus the end() iterator (which is valid, but... http://en.cppreference.com vector::erase - C++ Reference - Cplusplus.com
Because vectors use an array as their underlying storage, erasing elements in positions other than the vector end causes the container to relocate all the elements after the segment erased to their ne... http://www.cplusplus.com Iterate through std::vector and use vector.erase() without fouling ...
Hi,. So I have a std::vector<T> myVector, I want to check each element for some condition and remove it from the vector if it no longer satisfies the condition. My first thought was a simple loo... https://social.msdn.microsoft. |