modify something

include/featherlog/push_result.hpp

@@ -4,37 +4,37 @@
 #include <optional>
 #include <functional>
 
-namespace flog {
+namespace flog
+{
     template <typename T>
-    class PushResult {
+    class PushResult
+    {
     public:
         _NODISCARD static PushResult success() noexcept { return PushResult(); }
-        _NODISCARD static PushResult failWithValue(T value) noexcept {
+        _NODISCARD static PushResult failWithValue(T value) noexcept
+        {
             return PushResult(std::move(std::optional<T>(std::move(value))));
         }
 
         _NODISCARD bool isSuccessful() const noexcept { return !m_value.has_value(); }
         _NODISCARD bool isFail() const noexcept { return m_value.has_value(); }
 
-        void getValueIfFail(const std::function<void(const T& value)> func) const {
+        void getValueIfFail(const std::function<void(const T& value)> func) const
+        {
             if (isFail()) {
                 func(m_value.value());
             }
         }
 
-        _NODISCARD T getValue() const {
-            return m_value.value();
-        }
+        _NODISCARD T getValue() const { return m_value.value(); }
 
-        PushResult(const PushResult &other) noexcept {
-            m_value = other.m_value;
-        }
+        PushResult(const PushResult &other) noexcept { m_value = other.m_value; }
 
     private:
         PushResult() noexcept = default;
         explicit PushResult(std::optional<T> value) noexcept : m_value(std::move(value)) {}
 
-        std::optional<T> m_value = std::nullopt;
+        const std::optional<T> m_value = std::nullopt;
     };
 }