Example of creating an advanced query using linq-cpp

gistfile1.txt

#include <linqcpp/linq/Enumerable.h>

#include <string>
#include <functional>
#include <iostream>
#include <fstream>

using namespace std;
using namespace linq;

TEnumerable<string> FileLines(string path)
{
	return Enumerable::Factory<string>([=]()
	{
		auto stream = make_shared<ifstream>(path);

		return Enumerable::Generate([=]()
		{
			string line;
			std::getline(*stream, line);
			return line;
		})
		.TakeWhile([=](string line){ return !stream->eof(); });
	});
}