win debug variant

feat.cpp

#include <iostream>
#include <mapnik/util/variant.hpp>
#include <mapnik/value.hpp>
#include <mapnik/unicode.hpp>
#include <ostream>
//#include <mapnik/feature.hpp>
//#include <mapnik/feature_factory.hpp>

int main() {
    mapnik::value val = 0.0;
	std::clog << val << "\n";
	mapnik::transcoder tr("utf8");
	mapnik::value s(tr.transcode("hello"));
	std::clog << "is string: " << s.base().is<mapnik::value_unicode_string>() << "\n";
	std::string utf8;
	//std::clog << s.base() << "\n";
	double attr = double(0);
	mapnik::value _val(attr);
	
	std::clog << "is double: " << _val.base().is<double>() << "\n";
	std::clog << "base: " << _val << "\n";
	mapnik::value val2 = .091;
	std::clog << "is double: " << val2.base().is<double>() << "\n";
	std::clog << "base: " << val2 << "\n";
	std::clog << typeid(mapnik::value_double).name() << "\n";
	using variant_type = mapnik::util::variant<mapnik::value_bool,mapnik::value_double>;
	//typedef mapnik::util::variant<bool,double> variant_type;
	//variant_type var2(double(2.2));
	//std::clog << "variant is double "<< var2.is<double>() << "\n";
	/*
    std::clog << "yes\n";
	mapnik::context_ptr ctx = std::make_shared<mapnik::context_type>();
	ctx->push("num");
	mapnik::feature_ptr feature(mapnik::feature_factory::create(ctx,1));
	feature->put("num",attr);
    std::clog << *feature << "\n";	
	std::clog << feature->get("num") << "\n";
	mapnik::feature_impl::cont_type const& data = feature->get_data();
	std::clog << "size: " << data.size() << "\n";
	mapnik::value val = data[0];
	mapnik::value_base base = val.base();
	std::clog << "Valid: " << base.valid() << "\n";
	std::clog << "is bool: " << base.is<bool>() << "\n";
	*/
    return 0;
}

make.bat

@echo off


:: run tests
SET PATH=%CD%\..\mapnik-sdk\libs;%PATH%
cl /MD /nologo /EHsc feat.cpp /I include /I ../mapnik-sdk\includes /c
IF %ERRORLEVEL% NEQ 0 GOTO ERROR
link /nologo feat.obj /LIBPATH:../mapnik-sdk\libs mapnik.lib icuuc.lib
IF %ERRORLEVEL% NEQ 0 GOTO ERROR
.\feat
IF %ERRORLEVEL% NEQ 0 GOTO ERROR

GOTO DONE

:ERROR
echo ----------ERROR MAPNIK --------------
echo ERRORLEVEL %ERRORLEVEL%

:DONE

EXIT /b %ERRORLEVEL%