Nested function: Difference between revisions

=={{header|C++}}==

{{works with|C++11}}

<lang cpp>#import <iostream>

#import <string>

#import <sstream>

std::string makeList(std::string separator) {

int counter = 1;

auto makeItem = [=](std::string item) mutable {

return (std::ostringstream() << counter++ << separator << item << "\n").str();

};

return makeItem("first") + makeItem("second") + makeItem("third");

}

int main() {

std::cout << makeList(". ");

return 0;

}</lang>