diff --git a/include/util/result.h b/include/util/result.h
index 7586b74..8975aa7 100644
--- a/include/util/result.h
+++ b/include/util/result.h
@@ -5,11 +5,13 @@
 #include <utility>
 #include <variant>
 
+#include "util/numtypes.h"
+
 // Define an error type
 class Error {
  public:
   explicit Error(std::string message) : m_Message(std::move(message)) {}
-  [[nodiscard]] const std::string& message() const { return m_Message; }
+  [[nodiscard]] fn message() const -> const std::string& { return m_Message; }
 
  private:
   std::string m_Message;
@@ -29,10 +31,10 @@ class Result<void> {
   Result(Error&& error) : m_Result(std::move(error)) {}
 
   // Check if the result is an error
-  [[nodiscard]] bool isOk() const {
+  [[nodiscard]] fn isOk() const -> bool {
     return std::holds_alternative<std::monostate>(m_Result);
   }
-  [[nodiscard]] bool isErr() const {
+  [[nodiscard]] fn isErr() const -> bool {
     return std::holds_alternative<Error>(m_Result);
   }
 
@@ -44,7 +46,7 @@ class Result<void> {
   }
 
   // Get the error or throw an exception if it is a value
-  [[nodiscard]] const Error& error() const {
+  [[nodiscard]] fn error() const -> const Error& {
     if (isOk()) {
       throw std::logic_error("Attempted to access error of an ok Result");
     }
@@ -66,15 +68,15 @@ class Result {
   Result(Error&& error) : m_Result(std::move(error)) {}
 
   // Check if the result is an error
-  [[nodiscard]] bool isOk() const {
+  [[nodiscard]] fn isOk() const -> bool {
     return std::holds_alternative<T>(m_Result);
   }
-  [[nodiscard]] bool isErr() const {
+  [[nodiscard]] fn isErr() const -> bool {
     return std::holds_alternative<Error>(m_Result);
   }
 
   // Get the value or throw an exception if it is an error
-  const T& value() const {
+  fn value() const -> const T& {
     if (isErr()) {
       throw std::logic_error("Attempted to access value of an error Result");
     }
@@ -82,7 +84,7 @@ class Result {
   }
 
   // Get the error or throw an exception if it is a value
-  [[nodiscard]] const Error& error() const {
+  [[nodiscard]] fn error() const -> const Error& {
     if (isOk()) {
       throw std::logic_error("Attempted to access error of an ok Result");
     }
@@ -90,7 +92,7 @@ class Result {
   }
 
   // Optional: Get the value or provide a default
-  T valueOr(const T& defaultValue) const {
+  fn valueOr(const T& defaultValue) const -> T {
     return isOk() ? std::get<T>(m_Result) : defaultValue;
   }
 
@@ -99,8 +101,8 @@ class Result {
 };
 
 template <typename T>
-auto Ok(T&& value) {
+fn Ok(T&& value) {
   return Result<std::decay_t<T>>(std::forward<T>(value));
 }
 
-inline auto Ok() { return Result<void>(); }
+inline fn Ok() -> Result<void> { return {}; }
diff --git a/src/config/config.cpp b/src/config/config.cpp
index 4af1f30..325cc8d 100644
--- a/src/config/config.cpp
+++ b/src/config/config.cpp
@@ -1,7 +1,7 @@
 #include "config.h"
 
 #define DEFINE_GETTER(class_name, type, name) \
-  type class_name::get##name() const { return m_##name; }
+  fn class_name::get##name() const->type { return m_##name; }
 
 DEFINE_GETTER(Config, const General, General)
 DEFINE_GETTER(Config, const NowPlaying, NowPlaying)
@@ -12,7 +12,7 @@ DEFINE_GETTER(Weather, const Weather::Location, Location)
 DEFINE_GETTER(Weather, const std::string, ApiKey)
 DEFINE_GETTER(Weather, const std::string, Units)
 
-const Config& Config::getInstance() {
+fn Config::getInstance() -> const Config& {
   static const auto* INSTANCE =
       new Config(rfl::toml::load<Config>("./config.toml").value());
   return *INSTANCE;
@@ -25,14 +25,14 @@ Config::Config(General general, NowPlaying now_playing, Weather weather)
 
 General::General(std::string name) : m_Name(std::move(name)) {}
 
-NowPlaying::NowPlaying(bool enable) : m_Enabled(enable) {}
+NowPlaying::NowPlaying(bool enabled) : m_Enabled(enabled) {}
 
 Weather::Weather(Location location, std::string api_key, std::string units)
     : m_Location(std::move(location)),
       m_ApiKey(std::move(api_key)),
       m_Units(std::move(units)) {}
 
-WeatherImpl WeatherImpl::from_class(const Weather& weather) noexcept {
+fn WeatherImpl::from_class(const Weather& weather) noexcept -> WeatherImpl {
   return {
       .location = weather.getLocation(),
       .api_key  = weather.getApiKey(),
@@ -40,22 +40,27 @@ WeatherImpl WeatherImpl::from_class(const Weather& weather) noexcept {
   };
 }
 
-Weather WeatherImpl::to_class() const { return {location, api_key, units}; }
+fn WeatherImpl::to_class() const -> Weather {
+  return {location, api_key, units};
+}
 
-GeneralImpl GeneralImpl::from_class(const General& general) noexcept {
+fn GeneralImpl::from_class(const General& general) noexcept -> GeneralImpl {
   return {general.getName()};
 }
 
-General GeneralImpl::to_class() const { return {name}; }
+fn GeneralImpl::to_class() const -> General { return {name}; }
 
-NowPlayingImpl NowPlayingImpl::from_class(
-    const NowPlaying& now_playing) noexcept {
+// clang-format off
+fn NowPlayingImpl::from_class(
+  const NowPlaying& now_playing
+) noexcept -> NowPlayingImpl {
   return {.enabled = now_playing.getEnabled()};
 }
+//clang-format on
 
-NowPlaying NowPlayingImpl::to_class() const { return {enabled}; }
+fn NowPlayingImpl::to_class() const -> NowPlaying { return {enabled}; }
 
-ConfigImpl ConfigImpl::from_class(const Config& config) noexcept {
+fn ConfigImpl::from_class(const Config& config) noexcept -> ConfigImpl {
   return {
       .general     = config.getGeneral(),
       .now_playing = config.getNowPlaying(),
@@ -63,4 +68,6 @@ ConfigImpl ConfigImpl::from_class(const Config& config) noexcept {
   };
 }
 
-Config ConfigImpl::to_class() const { return {general, now_playing, weather}; }
+fn ConfigImpl::to_class() const -> Config {
+  return {general, now_playing, weather};
+}
diff --git a/src/config/config.h b/src/config/config.h
index f8adea9..998838f 100644
--- a/src/config/config.h
+++ b/src/config/config.h
@@ -10,30 +10,30 @@
 
 class Weather {
  public:
-  using percentage = rfl::Validator<i8, rfl::Minimum<0>, rfl::Maximum<100>>;
   using degrees    = rfl::Validator<u16, rfl::Minimum<0>, rfl::Maximum<360>>;
+  using percentage = rfl::Validator<i8, rfl::Minimum<0>, rfl::Maximum<100>>;
 
   struct Condition {
-    usize id;
-    rfl::Rename<"main", std::string> group;
     std::string description;
-    rfl::Rename<"icon", std::string> icon_id;
+    std::string icon;
+    std::string main;
+    usize       id;
   };
 
   struct Main {
-    f64 temp;
-    f64 temp_max;
-    f64 temp_min;
-    f64 feels_like;
-    isize pressure;
-    std::optional<isize> sea_level;
+    f64                  feels_like;
+    f64                  temp;
+    f64                  temp_max;
+    f64                  temp_min;
+    isize                pressure;
+    percentage           humidity;
     std::optional<isize> grnd_level;
-    percentage humidity;
+    std::optional<isize> sea_level;
   };
 
   struct Wind {
-    f64 speed;
-    degrees deg;
+    degrees            deg;
+    f64                speed;
     std::optional<f64> gust;
   };
 
@@ -44,10 +44,10 @@ class Weather {
 
   struct Sys {
     std::string country;
-    usize id;
-    usize sunrise;
-    usize sunset;
-    usize type;
+    usize       id;
+    usize       sunrise;
+    usize       sunset;
+    usize       type;
   };
 
   struct Clouds {
@@ -60,47 +60,47 @@ class Weather {
   };
 
   struct WeatherOutput {
-    isize timezone;
-    isize visibility;
-    Main main;
-    Clouds clouds;
+    Clouds                       clouds;
+    Main                         main;
+    Sys                          sys;
+    Wind                         wind;
+    isize                        timezone;
+    isize                        visibility;
     rfl::Rename<"coord", Coords> coords;
     std::optional<Precipitation> rain;
     std::optional<Precipitation> snow;
-    std::vector<Condition> weather;
-    std::string base;
-    std::string name;
-    Sys sys;
-    usize cod;
-    usize dt;
-    usize id;
-    Wind wind;
+    std::string                  base;
+    std::string                  name;
+    std::vector<Condition>       weather;
+    usize                        cod;
+    usize                        dt;
+    usize                        id;
   };
 
   using Location = std::variant<std::string, Coords>;
 
  private:
-  Location m_Location;
+  Location    m_Location;
   std::string m_ApiKey;
   std::string m_Units;
 
  public:
   Weather(Location location, std::string api_key, std::string units);
 
-  [[nodiscard]] WeatherOutput getWeatherInfo() const;
-  [[nodiscard]] const Location getLocation() const;
-  [[nodiscard]] const std::string getApiKey() const;
-  [[nodiscard]] const std::string getUnits() const;
+  [[nodiscard]] fn getWeatherInfo() const -> WeatherOutput;
+  [[nodiscard]] fn getLocation() const -> const Location;
+  [[nodiscard]] fn getApiKey() const -> const std::string;
+  [[nodiscard]] fn getUnits() const -> const std::string;
 };
 
 struct WeatherImpl {
   Weather::Location location;
-  std::string api_key;
-  std::string units;
+  std::string       api_key;
+  std::string       units;
 
-  static WeatherImpl from_class(const Weather& weather) noexcept;
+  static fn from_class(const Weather& weather) noexcept -> WeatherImpl;
 
-  [[nodiscard]] Weather to_class() const;
+  [[nodiscard]] fn to_class() const -> Weather;
 };
 
 class General {
@@ -110,15 +110,15 @@ class General {
  public:
   General(std::string name);
 
-  [[nodiscard]] const std::string getName() const;
+  [[nodiscard]] fn getName() const -> const std::string;
 };
 
 struct GeneralImpl {
   std::string name;
 
-  static GeneralImpl from_class(const General& general) noexcept;
+  static fn from_class(const General& general) noexcept -> GeneralImpl;
 
-  [[nodiscard]] General to_class() const;
+  [[nodiscard]] fn to_class() const -> General;
 };
 
 class NowPlaying {
@@ -128,74 +128,79 @@ class NowPlaying {
  public:
   NowPlaying(bool enabled);
 
-  [[nodiscard]] bool getEnabled() const;
+  [[nodiscard]] fn getEnabled() const -> bool;
 };
 
 struct NowPlayingImpl {
   bool enabled;
 
-  static NowPlayingImpl from_class(const NowPlaying& now_playing) noexcept;
+  static fn from_class(const NowPlaying& now_playing
+  ) noexcept -> NowPlayingImpl;
 
-  [[nodiscard]] NowPlaying to_class() const;
+  [[nodiscard]] fn to_class() const -> NowPlaying;
 };
 
 class Config {
  private:
-  General m_General;
+  General    m_General;
   NowPlaying m_NowPlaying;
-  Weather m_Weather;
+  Weather    m_Weather;
 
  public:
   Config(General general, NowPlaying now_playing, Weather weather);
 
-  static const Config& getInstance();
+  static fn getInstance() -> const Config&;
 
-  [[nodiscard]] const Weather getWeather() const;
-  [[nodiscard]] const General getGeneral() const;
-  [[nodiscard]] const NowPlaying getNowPlaying() const;
+  [[nodiscard]] fn getWeather() const -> const Weather;
+  [[nodiscard]] fn getGeneral() const -> const General;
+  [[nodiscard]] fn getNowPlaying() const -> const NowPlaying;
 };
 
 struct ConfigImpl {
-  General general;
+  General    general;
   NowPlaying now_playing;
-  Weather weather;
+  Weather    weather;
 
-  static ConfigImpl from_class(const Config& config) noexcept;
+  static fn from_class(const Config& config) noexcept -> ConfigImpl;
 
-  [[nodiscard]] Config to_class() const;
+  [[nodiscard]] fn to_class() const -> Config;
 };
 
 // Parsers for Config classes
 namespace rfl::parsing {
   template <class ReaderType, class WriterType, class ProcessorsType>
   struct Parser<ReaderType, WriterType, Weather, ProcessorsType>
-      : public CustomParser<ReaderType,
-                            WriterType,
-                            ProcessorsType,
-                            Weather,
-                            WeatherImpl> {};
+      : public CustomParser<
+            ReaderType,
+            WriterType,
+            ProcessorsType,
+            Weather,
+            WeatherImpl> {};
 
   template <class ReaderType, class WriterType, class ProcessorsType>
   struct Parser<ReaderType, WriterType, General, ProcessorsType>
-      : public CustomParser<ReaderType,
-                            WriterType,
-                            ProcessorsType,
-                            General,
-                            GeneralImpl> {};
+      : public CustomParser<
+            ReaderType,
+            WriterType,
+            ProcessorsType,
+            General,
+            GeneralImpl> {};
 
   template <class ReaderType, class WriterType, class ProcessorsType>
   struct Parser<ReaderType, WriterType, NowPlaying, ProcessorsType>
-      : public CustomParser<ReaderType,
-                            WriterType,
-                            ProcessorsType,
-                            NowPlaying,
-                            NowPlayingImpl> {};
+      : public CustomParser<
+            ReaderType,
+            WriterType,
+            ProcessorsType,
+            NowPlaying,
+            NowPlayingImpl> {};
 
   template <class ReaderType, class WriterType, class ProcessorsType>
   struct Parser<ReaderType, WriterType, Config, ProcessorsType>
-      : public CustomParser<ReaderType,
-                            WriterType,
-                            ProcessorsType,
-                            Config,
-                            ConfigImpl> {};
+      : public CustomParser<
+            ReaderType,
+            WriterType,
+            ProcessorsType,
+            Config,
+            ConfigImpl> {};
 } // namespace rfl::parsing
diff --git a/src/config/weather.cpp b/src/config/weather.cpp
index 879cd9d..7ba6770 100644
--- a/src/config/weather.cpp
+++ b/src/config/weather.cpp
@@ -8,11 +8,12 @@
 using WeatherOutput = Weather::WeatherOutput;
 
 // Function to read cache from file
-Result<WeatherOutput> ReadCacheFromFile() {
+fn ReadCacheFromFile() -> Result<WeatherOutput> {
   const std::string cacheFile = "/tmp/weather_cache.json";
-  std::ifstream ifs(cacheFile);
+  std::ifstream     ifs(cacheFile);
 
-  if (!ifs.is_open()) return Error("Cache file not found.");
+  if (!ifs.is_open())
+    return Error("Cache file not found.");
 
   fmt::println("Reading from cache file...");
 
@@ -32,12 +33,13 @@ Result<WeatherOutput> ReadCacheFromFile() {
 }
 
 // Function to write cache to file
-Result<> WriteCacheToFile(const WeatherOutput& data) {
+fn WriteCacheToFile(const WeatherOutput& data) -> Result<> {
   const std::string cacheFile = "/tmp/weather_cache.json";
   fmt::println("Writing to cache file...");
   std::ofstream ofs(cacheFile);
 
-  if (!ofs.is_open()) return Error("Failed to open cache file for writing.");
+  if (!ofs.is_open())
+    return Error("Failed to open cache file for writing.");
 
   ofs << rfl::json::write(data);
 
@@ -46,10 +48,8 @@ Result<> WriteCacheToFile(const WeatherOutput& data) {
   return Ok();
 }
 
-size_t WriteCallback(void* contents,
-                     size_t size,
-                     size_t nmemb,
-                     std::string* buffer) {
+fn WriteCallback(void* contents, size_t size, size_t nmemb, std::string* buffer)
+    -> size_t {
   size_t realsize = size * nmemb;
 
   buffer->append(static_cast<char*>(contents), realsize);
@@ -58,7 +58,7 @@ size_t WriteCallback(void* contents,
 }
 
 // Function to make API request
-Result<WeatherOutput> MakeApiRequest(const std::string& url) {
+fn MakeApiRequest(const std::string& url) -> Result<WeatherOutput> {
   fmt::println("Making API request...");
 
   CURL* curl = curl_easy_init();
@@ -73,8 +73,9 @@ Result<WeatherOutput> MakeApiRequest(const std::string& url) {
     curl_easy_cleanup(curl);
 
     if (res != CURLE_OK)
-      return Error(fmt::format("Failed to perform cURL request: {}",
-                               curl_easy_strerror(res)));
+      return Error(fmt::format(
+          "Failed to perform cURL request: {}", curl_easy_strerror(res)
+      ));
 
     fmt::println("Received response from API.");
     // Parse the JSON response
@@ -88,10 +89,10 @@ Result<WeatherOutput> MakeApiRequest(const std::string& url) {
 }
 
 // Core function to get weather information
-WeatherOutput Weather::getWeatherInfo() const {
+fn Weather::getWeatherInfo() const -> WeatherOutput {
   using namespace std::chrono;
 
-  const Location loc       = m_Location;
+  const Location    loc    = m_Location;
   const std::string apiKey = m_ApiKey;
   const std::string units  = m_Units;
 
@@ -116,15 +117,19 @@ WeatherOutput Weather::getWeatherInfo() const {
   if (holds_alternative<std::string>(loc)) {
     const std::string city = get<std::string>(loc);
 
-    const char* location = curl_easy_escape(nullptr, city.c_str(),
-                                            static_cast<int>(city.length()));
+    const char* location = curl_easy_escape(
+        nullptr, city.c_str(), static_cast<int>(city.length())
+    );
 
     fmt::println("City: {}", location);
 
     const std::string apiUrl = fmt::format(
         "https://api.openweathermap.org/data/2.5/"
         "weather?q={}&appid={}&units={}",
-        location, apiKey, units);
+        location,
+        apiKey,
+        units
+    );
 
     result = MakeApiRequest(apiUrl).value();
   } else {
@@ -135,7 +140,11 @@ WeatherOutput Weather::getWeatherInfo() const {
     const std::string apiUrl = fmt::format(
         "https://api.openweathermap.org/data/2.5/"
         "weather?lat={:.3f}&lon={:.3f}&appid={}&units={}",
-        lat, lon, apiKey, units);
+        lat,
+        lon,
+        apiKey,
+        units
+    );
 
     result = MakeApiRequest(apiUrl).value();
   }
diff --git a/src/main.cpp b/src/main.cpp
index 120c331..28a7e19 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -11,13 +11,14 @@ struct BytesToGiB {
   u64 value;
 };
 
+constexpr u64 GIB = 1'073'741'824;
+
 template <>
 struct fmt::formatter<BytesToGiB> : formatter<double> {
   template <typename FmtCtx>
   fn format(const BytesToGiB BTG, FmtCtx& ctx) -> typename FmtCtx::iterator {
-    typename FmtCtx::iterator out = formatter<double>::format(
-        static_cast<double>(BTG.value) / pow(1024, 3), ctx
-    );
+    typename FmtCtx::iterator out =
+        formatter<double>::format(static_cast<double>(BTG.value) / GIB, ctx);
     *out++ = 'G';
     *out++ = 'i';
     *out++ = 'B';
diff --git a/src/os/macos.cpp b/src/os/macos.cpp
index c395a33..b1ae63a 100644
--- a/src/os/macos.cpp
+++ b/src/os/macos.cpp
@@ -5,7 +5,7 @@
 #include "macos/bridge.h"
 #include "os.h"
 
-u64 GetMemInfo() {
+fn GetMemInfo() -> u64 {
   u64   mem  = 0;
   usize size = sizeof(mem);
 
@@ -14,7 +14,7 @@ u64 GetMemInfo() {
   return mem;
 }
 
-std::string GetNowPlaying() {
+fn GetNowPlaying() -> std::string {
   if (const char* title  = GetCurrentPlayingTitle();
       const char* artist = GetCurrentPlayingArtist())
     return "Now Playing: " + std::string(artist) + " - " + std::string(title);
@@ -22,6 +22,6 @@ std::string GetNowPlaying() {
   return "No song playing";
 }
 
-const char* GetOSVersion() { return GetMacOSVersion(); };
+fn GetOSVersion() -> const char* { return GetMacOSVersion(); };
 
 #endif
diff --git a/src/os/macos/bridge.h b/src/os/macos/bridge.h
index 5bc3791..c151d80 100644
--- a/src/os/macos/bridge.h
+++ b/src/os/macos/bridge.h
@@ -9,10 +9,12 @@
 + (NSString*)macOSVersion;
 @end
 #else
+#include "util/numtypes.h"
+
 extern "C" {
-  const char* GetCurrentPlayingTitle();
-  const char* GetCurrentPlayingArtist();
-  const char* GetMacOSVersion();
+  fn GetCurrentPlayingTitle() -> const char*;
+  fn GetCurrentPlayingArtist() -> const char*;
+  fn GetMacOSVersion() -> const char*;
 }
 #endif
 #endif
diff --git a/src/os/macos/bridge.mm b/src/os/macos/bridge.mm
index e17691a..c9a6b03 100644
--- a/src/os/macos/bridge.mm
+++ b/src/os/macos/bridge.mm
@@ -79,7 +79,8 @@ using MRMediaRemoteGetNowPlayingInfoFunction = void (*)(
   NSNumber* majorVersionNumber = @(osVersion.majorVersion);
   NSString* versionName        = versionNames[majorVersionNumber];
 
-  if (versionName == nil) versionName = @"Unknown";
+  if (versionName == nil)
+    versionName = @"Unknown";
 
   NSString* fullVersion =
       [NSString stringWithFormat:@"macOS %@ %@", version, versionName];
@@ -88,37 +89,44 @@ using MRMediaRemoteGetNowPlayingInfoFunction = void (*)(
 }
 @end
 
+#include "util/numtypes.h"
+
 extern "C" {
-  const char* GetCurrentPlayingTitle() {
+  fn GetCurrentPlayingTitle() -> const char* {
     NSDictionary* metadata = [Bridge currentPlayingMetadata];
 
-    if (metadata == nil) return nullptr;
+    if (metadata == nil)
+      return nullptr;
 
     NSString* title =
         [metadata objectForKey:@"kMRMediaRemoteNowPlayingInfoTitle"];
 
-    if (title) return strdup([title UTF8String]);
+    if (title)
+      return strdup([title UTF8String]);
 
     return nullptr;
   }
 
-  const char* GetCurrentPlayingArtist() {
+  fn GetCurrentPlayingArtist() -> const char* {
     NSDictionary* metadata = [Bridge currentPlayingMetadata];
 
-    if (metadata == nil) return nullptr;
+    if (metadata == nil)
+      return nullptr;
 
     NSString* artist =
         [metadata objectForKey:@"kMRMediaRemoteNowPlayingInfoArtist"];
 
-    if (artist) return strdup([artist UTF8String]);
+    if (artist)
+      return strdup([artist UTF8String]);
 
     return nullptr;
   }
 
-  const char* GetMacOSVersion() {
+  fn GetMacOSVersion() -> const char* {
     NSString* version = [Bridge macOSVersion];
 
-    if (version) return strdup([version UTF8String]);
+    if (version)
+      return strdup([version UTF8String]);
 
     return nullptr;
   }