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#include <iostream>
#include <vector>
/*
*
* 9.23
*
*
*/
int main () {
std::vector<int> c = {1};
if (c.size() == 1) {
// val and val2 are copies of the value of the first element in c
auto val = *c.begin(), val2 = c.front();
// val3 and val4 are copies of the of the last element in c
auto last = c.end();
auto val3 = *(--last); // can’t decrement forward_list iterators
auto val4 = c.back(); // not supported by forward_list
std::cout << val << "\n"
<< val2 << "\n"
<< val3 << "\n"
<< val4 << "\n";
if(val || val2 || val3 || val4) {}
}
return 0;
}
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