// 07-lists.cpp : forward and bi-directional lists

#include <iostream>

#include <string>

#include <forward_list>

#include <list>

using namespace std;

int main() {

forward_list<string> fwd;

auto iter = fwd.before_begin(); // note: member function

cout << "Please enter some words (blank line to end):\n";

for (;;) {

string s;

getline(cin, s);

if (s.empty()) {

break;

}

fwd.insert_after(iter, s); // note: member function

++iter; // note: must "keep up"

}

list<string> lst(begin(fwd), end(fwd)); // copy fwd into lst

lst.sort();

for (const auto& e : lst) {

cout << "- " << e << '\n';

}

}