void function( const Vector<Vector<double>>& var);

#include <Core/Core.h>

using namespace Upp;

Vector<Vector<double>> PrintVector(const Vector<Vector<double>>& vector);


CONSOLE_APP_MAIN
{
	//original vector of vector of double
	Vector<Vector<double>> original{{2.0,3.0},{4.0,5.0}};
	
	//pick allow you to move a value between variable without having to do copy
	Vector<Vector<double>> ret = pick(PrintVector(original));
	
	//We print the vector and all is double
	for(const Vector<double>& vec : ret){
		for(const double& d : vec){
			Cout() << d;
		}
		Cout() << "\n";
	}
}

Vector<Vector<double>> PrintVector(const Vector<Vector<double>>& vector){
	//Clone allow you to clone a variable (the class you want to copy must have a copy constructor)
	Vector<Vector<double>> myClone = clone(vector);
	
	//We add + 1 to all double of our clone
	for(Vector<double>& vec : myClone){
		for(double& d : vec){
			d += 1.0;
		}
	}
	
	//we return our clone not by copying but by moving it
	return pick(myClone);
}

Vector<Vector<double>> AdjustVector(Vector<Vector<double>>&& vector){
	for(Vector<double>& vec : vector){
		for(double& d : vec) {
			d += 1.0;
		}
	}
	return pick(vector);
}

CONSOLE_APP_MAIN
{
	Vector<Vector<double>> x { { 1, 2 }, { 3, 4 } };
	
	auto y = AdjustVector(clone(x));
	
	DDUMP(x);
	DDUMP(y);
	
	y = AdjustVector(pick(x));

	DDUMP(x);
	DDUMP(y);
}