Answer by eerorika for Use vector::iterator by reference but with error
so why this error occurs when I use "auto & it"? See the return type of begin. It does not return a reference. It returns the iterator by value. Therefore the return value is a temporary in the...
View ArticleAnswer by Akira for Use vector::iterator by reference but with error
The std::vector::begin returns an rvalue (a temporary object). You cannot take a reference to a temporary object with auto& (non-const lvalue reference). If you wish to take the mentioned return...
View ArticleAnswer by Rohini Singh for Use vector::iterator by reference but with error
auto keyword gets the type as temporary object from the expression (std::vector::begin) since the it is temporary object and thus compiler cannot deduce to reference to it. auto& ( non-const...
View ArticleUse vector::iterator by reference but with error
#include<vector>#include<iostream>using namespace std;int main(){ vector<int> vec = {1,2,3,4}; for(auto & it = vec.begin(); it != vec.end(); ++it) { cout << *it <<...
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