clang-tidy modernize

source/options.cpp

@@ -28,7 +28,7 @@ std::vector<Difficulty> difficulties = {
     {DifficultyCode::HARD, "Hard"}};
 
 // Declaraciones
-bool set(const std::string &var, const std::string &value);
+auto set(const std::string &var, const std::string &value) -> bool;
 
 // Inicializa las opciones del programa
 void init() {
@@ -49,7 +49,7 @@ void init() {
 }
 
 // Carga el fichero de configuración
-bool loadFromFile() {
+auto loadFromFile() -> bool {
     // Inicializa las opciones del programa
     init();
 
@@ -94,7 +94,7 @@ bool loadFromFile() {
 }
 
 // Guarda el fichero de configuración
-bool saveToFile() {
+auto saveToFile() -> bool {
     std::ofstream file(settings.config_file);
 
     if (!file.good()) {
@@ -167,7 +167,7 @@ bool saveToFile() {
 }
 
 // Asigna variables a partir de dos cadenas
-bool set(const std::string &var, const std::string &value) {
+auto set(const std::string &var, const std::string &value) -> bool {
     // Indicador de éxito en la asignación
     auto success = true;
 
@@ -281,7 +281,7 @@ void swapControllers() {
 }
 
 // Averigua quien está usando el teclado
-int getPlayerWhoUsesKeyboard() {
+auto getPlayerWhoUsesKeyboard() -> int {
     for (const auto &controller : controllers) {
         if (controller.type == InputDevice::ANY) {
             return controller.player_id;
@@ -308,7 +308,7 @@ void checkPendingChanges() {
     }
 }
 
-DifficultyCode getDifficultyCodeFromName(const std::string &name) {
+auto getDifficultyCodeFromName(const std::string &name) -> DifficultyCode {
     for (const auto &difficulty : difficulties) {
         if (difficulty.name == name)
             return difficulty.code;
@@ -317,7 +317,7 @@ DifficultyCode getDifficultyCodeFromName(const std::string &name) {
     return difficulties[0].code;
 }
 
-std::string getDifficultyNameFromCode(DifficultyCode code) {
+auto getDifficultyNameFromCode(DifficultyCode code) -> std::string {
     for (const auto &difficulty : difficulties) {
         if (difficulty.code == code)
             return difficulty.name;