关于front_insert_iterator的问题
#include <iostream>#include <string>
#include <iterator>
#include <vector>
#include <algorithm>
void output(const std::string& s)
{
std::cout << s << " ";
}
int main()
{
using namespace std;
string s1 = {"fine", "fish", "fashion", "fate"};
string s2 = {"busy", "bats"};
string s3 = {"silly", "singers"};
vector<string> words(4);
copy(s1, s1+4, words.begin());
for_each(words.begin(), words.end(), output);
cout << endl;
copy(s2, s2+2, back_insert_iterator< vector<string> >(words));
for_each(words.begin(), words.end(), output);
cout << endl;
copy(s3, s3+2, front_insert_iterator< vector<string> >(words)); //错误
for_each(words.begin(), words.end(), output);
cout << endl;
copy(s3, s3+2, insert_iterator< vector<string> >(words, words.begin()));
for_each(words.begin(), words.end(), output);
cout << endl;
return 0;
}
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