Use const references and constexpr as applicable.

3 files changed, 11 insertions, 12 deletions

diff --git a/include/fud_result.hpp b/include/fud_result.hpp
index 74954df..dae084a 100644
--- a/include/fud_result.hpp
+++ b/include/fud_result.hpp
@@ -18,7 +18,6 @@
 #ifndef FUD_RESULT_HPP
 #define FUD_RESULT_HPP
 
-#include <utility>
 #include <variant>
 
 namespace fud {
@@ -58,22 +57,22 @@ class [[nodiscard]] Result {
         return (m_value.index() == 1);
     }
 
-    [[nodiscard]] T getOkay() const
+    [[nodiscard]] const T& getOkay() const&
     {
         return std::get<T>(m_value);
     }
 
-    [[nodiscard]] E getError() const
+    [[nodiscard]] const E& getError() const&
     {
         return std::get<E>(m_value);
     }
 
-    [[nodiscard]] T&& getOkay()
+    [[nodiscard]] const T&& getOkay() const&&
     {
         return std::move(std::get<T>(m_value));
     }
 
-    [[nodiscard]] E&& getError()
+    [[nodiscard]] const E&& getError() const&&
     {
         return std::move(std::get<E>(m_value));
     }
@@ -91,7 +90,7 @@ class [[nodiscard]] Result {
     {
     }
 
-    explicit Result(T&& value) : m_value{std::move(value)}
+    explicit Result(T&& value): m_value{std::move(value)}
     {
     }
 
diff --git a/include/fud_status.hpp b/include/fud_status.hpp
index 6a9d653..f8f7687 100644
--- a/include/fud_status.hpp
+++ b/include/fud_status.hpp
@@ -42,7 +42,7 @@ enum class [[nodiscard]] FudStatus
     NotSupported
 };
 
-static inline const char* FudStatusToString(FudStatus status)
+constexpr const char* FudStatusToString(FudStatus status)
 {
     switch (status) {
     case FudStatus::Success:
@@ -86,19 +86,19 @@ static inline const char* FudStatusToString(FudStatus status)
     }
 }
 
-static inline bool anyAreNull()
+constexpr bool anyAreNull()
 {
     return false;
 }
 
 template <typename T>
-bool anyAreNull(const T* pointer)
+constexpr bool anyAreNull(const T* pointer)
 {
     return pointer == nullptr;
 }
 
 template <typename T, typename... Ts>
-bool anyAreNull(T pointer, Ts... pointers)
+constexpr bool anyAreNull(T pointer, Ts... pointers)
 {
     if (pointer == nullptr) {
         return true;
diff --git a/include/libfud.hpp b/include/libfud.hpp
index c670ed4..5bc1630 100644
--- a/include/libfud.hpp
+++ b/include/libfud.hpp
@@ -51,8 +51,8 @@ FUD fud();
 Result<String, FudStatus> getEnv(const char* name);
 
 template <typename T>
-concept CStringRepr = requires(T a) {
-    { a.c_str() } -> std::convertible_to<const char*>;
+concept CStringRepr = requires(T strObj) {
+    { strObj.c_str() } -> std::convertible_to<const char*>;
 };
 
 template <CStringRepr T>