vector shit

#include <iostream>
#include <functional>
#include <vector>

//This document uses tabs of length 4.
//Compile with the C++11 standard.

using namespace std;
const int to_ashes = 0;

typedef vector<vector<vector<int>>> i3d; //3-Dimensional vector of integers, thus the name.

function<i3d(int,int,int)> retVec = [](int x, int y, int z) -> i3d {
    i3d vec;
    vec.resize(x);
    for(int a = 0; a < x; ++a){ //this mess actually tells the vectors their size.
        vec[a].resize(y);       //accessing a vector will segfault if you don't do this.
        for(int b = 0; b < x; ++b)
            vec[a][b].resize(z);
    }
    return vec;
};

class Vec3D {
    //The entire purpose of this class is because I hate writing
    //out vec[val][val][val] instead of simply vec(val,val,val).
    protected:
        i3d vec;
    public:
        Vec3D(int x, int y, int z) {
            vec = retVec(x,y,z);
        };

        /*inline int& at(int x, int y, int z) {
            return vec[x][y][z];
        }*/

        function<int&(int,int,int)> at = [this](int x, int y, int z) -> int& {
            return this->vec[x][y][z];
        };
};

int main(int argc, char **argv) {

    Vec3D vec(4,4,4);

    vec.at(0,0,1) = 13;

    cout << vec.at(0,0,1) \
         << endl \
         << vec.at(0,0,0) \
         << endl;

    return to_ashes;
    //the woods decay, the woods decay and fall
    //the vapours weep their burthen to the ground
    //man comes and tills the soil and lies beneath
    //and after many a summer dies the swan.
}