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The constructor and draw() function

The first section of code defines the constructor of the Board class and the draw() function:

#include <sstream>#include "board.h"using namespace Constants;Board::Board() : cells_{{ false }}, currentScore_(0) {}void Board::draw(SDL_Renderer *renderer, TTF_Font *font) {    displayScore(renderer, font);    SDL_SetRenderDrawColor(        renderer,        /* Light Gray: */ 140, 140, 140, 255);    for (int column = 0; column < BoardColumns; ++column) {        for (int row = 0; row < BoardRows; ++row) {            if (cells_[column][row]) {                SDL_Rect rect{                    column * Offset + 1,                    row * Offset + 1,                    Offset - 2,                    Offset - 2                };                SDL_RenderFillRect(renderer, &rect);            }        }    }}

The Board constructor initializes the values of the private cells_ and currentScore_ variables ...