Hello boost

main.cpp

// https://www.boost.org/doc/libs/1_66_0/more/getting_started/windows.html
//cl /EHsc /I path\to\boost_1_66_0 path\to\example.cpp
//g++ -I "C:\boost_1_66_0" ./main.cpp
//echo 1 2 3 | ./a.exe

//https://nuwen.net/mingw.html
//g++ -I "C:\MinGW\include" ./main.cpp

#include <boost/lambda/lambda.hpp>
#include <iostream>
#include <iterator>
#include <algorithm>

int main()
{
    using namespace boost::lambda;
    typedef std::istream_iterator<int> in;

    std::for_each(
        in(std::cin), in(), std::cout << (_1 * 3) << " " 
    );
}

makefile

.PHONY: all

all: main.cpp
	g++ ./main.cpp
	
comment:
	# http://www.mingw.org/wiki/includepathhowto #g++ -v -c ./main.cpp
	# g++ -I "C:\MinGW\include" ./main.cpp
	# or "C:\boost_1_66_0"
	
	#make main from C:\MinGW\open_distro_window.bat
	#MinGW from https://nuwen.net/mingw.html