C++ 多重配列(vector, array)

source code

#include <iostream>
#include <array>
#include <vector>
#include <string>
#include "multi_array.hpp"

//////////////////////////////////////////////////////////////
//
//////////////////////////////////////////////////////////////
void multi_array::exec()
{
    std::cout << __func__ << std::endl;

    const std::vector<std::uint8_t> var_vector{1, 2, 3, 4, 5};
    std::string str_msg = "*** var_vector : ";
    for(const std::uint8_t& var_vec_item : var_vector)
    {
        str_msg += " " + std::to_string(var_vec_item);
    }
    std::cout << str_msg << std::endl;

    const std::array<std::uint8_t, 5> var_array{6, 7, 8, 9, 10};
    str_msg = "*** var_array  : ";
    for(const std::uint8_t& var_arr_item : var_array)
    {
        str_msg += " " + std::to_string(var_arr_item);
    }
    std::cout << str_msg << std::endl;

    const std::vector<std::vector<std::uint8_t>> var_multi_vector{
        {11, 12, 13, 14, 15},
        {21, 22, 23, 24, 25},
        {31, 32, 23, 24, 25}
    };
    str_msg = "*** var_multi_vector : ";
    for(int ix = 0; ix < 3; ix++)
    {
        str_msg += "\n";
        for(int iy = 0; iy < 5; iy++)
        {
            uint8_t var = var_multi_vector.at(ix).at(iy);
            str_msg += " " + std::to_string(var);
        }
    }
    std::cout << str_msg << std::endl;

    str_msg = "*** var_multi_vector : for_range";
    for(const auto& vec : var_multi_vector)
    {
        str_msg += "\n";
        for(const std::uint8_t& var : vec)
        {
            str_msg += " " + std::to_string(var);
        }
    }
    std::cout << str_msg << std::endl;


    const std::array<std::array<std::uint8_t, 5>, 3> var_multi_array{{
        {16, 17, 18, 19, 20},
        {26, 27, 28, 29, 30},
        {36, 37, 28, 29, 40}
    }};
    str_msg = "*** var_multi_array : ";
    for(int ix = 0; ix < 3; ix++)
    {
        str_msg += "\n";
        for(int iy = 0; iy < 5; iy++)
        {
            uint8_t var = var_multi_array.at(ix).at(iy);
            str_msg += " " + std::to_string(var);
        }
    }
    std::cout << str_msg << std::endl;

    str_msg = "*** var_multi_array : for_range";
    for(const auto& arr : var_multi_array)
    {
        str_msg += "\n";
        for(const std::uint8_t& var : arr)
        {
            str_msg += " " + std::to_string(var);
        }
    }
    std::cout << str_msg << std::endl;
}

outout

exec
*** var_vector :  1 2 3 4 5
*** var_array  :  6 7 8 9 10
*** var_multi_vector :
 11 12 13 14 15
 21 22 23 24 25
 31 32 23 24 25
*** var_multi_vector : for_range
 11 12 13 14 15
 21 22 23 24 25
 31 32 23 24 25
*** var_multi_array :
 16 17 18 19 20
 26 27 28 29 30
 36 37 28 29 40
*** var_multi_array : for_range
 16 17 18 19 20
 26 27 28 29 30
 36 37 28 29 40