Fix bug related to string copying.

1 files changed, 13 insertions, 4 deletions

diff --git a/include/fud_option.hpp b/include/fud_option.hpp
index 3c94eaa..9d3068c 100644
--- a/include/fud_option.hpp
+++ b/include/fud_option.hpp
@@ -75,10 +75,11 @@ class Option {
   private:
     static_assert(!std::is_same_v<T, option_detail::NullOptionType>);
     static constexpr bool IsRef = std::is_reference_v<T>;
-    using ValueType = typename std::remove_reference<T>::type;
-    static constexpr size_t Size = IsRef ? sizeof(std::reference_wrapper<ValueType>) : sizeof(ValueType);
 
   public:
+    using ValueType = std::remove_reference_t<T>;
+    static constexpr size_t Size = IsRef ? sizeof(std::reference_wrapper<ValueType>) : sizeof(ValueType);
+
     constexpr Option() noexcept : m_engaged{false}
     {
     }
@@ -100,6 +101,7 @@ class Option {
     constexpr static Option take(T&& value) noexcept
     {
         Option option{};
+        option.m_engaged = true;
         if constexpr (IsRef) {
             new (option.m_data.data()) std::reference_wrapper<ValueType>(std::ref(value));
         } else {
@@ -152,7 +154,8 @@ class Option {
         return !m_engaged;
     }
 
-    operator bool() const {
+    operator bool() const
+    {
         return hasValue();
     }
 
@@ -160,8 +163,10 @@ class Option {
     {
         fudAssert(m_engaged);
         if constexpr (IsRef) {
+            // NOLINTNEXTLINE(cppcoreguidelines-pro-type-reinterpret-cast)
             return *reinterpret_cast<const std::reference_wrapper<ValueType>*>(m_data.data());
         } else {
+            // NOLINTNEXTLINE(cppcoreguidelines-pro-type-reinterpret-cast)
             return *reinterpret_cast<const ValueType*>(m_data.data());
         }
     }
@@ -170,8 +175,10 @@ class Option {
     {
         fudAssert(m_engaged);
         if constexpr (IsRef) {
+            // NOLINTNEXTLINE(cppcoreguidelines-pro-type-reinterpret-cast)
             return *reinterpret_cast<std::reference_wrapper<ValueType>*>(m_data.data());
         } else {
+            // NOLINTNEXTLINE(cppcoreguidelines-pro-type-reinterpret-cast)
             return *reinterpret_cast<ValueType*>(m_data.data());
         }
     }
@@ -180,6 +187,7 @@ class Option {
     {
         fudAssert(m_engaged);
         static_assert(!IsRef);
+        // NOLINTNEXTLINE(cppcoreguidelines-pro-type-reinterpret-cast)
         return std::move(*reinterpret_cast<const ValueType*>(m_data.data()));
     }
 
@@ -200,7 +208,7 @@ class Option {
     }
 
     template <typename F>
-    constexpr auto map(F&& func) const & -> Option<decltype(std::forward<F>(func)(value()))>
+    constexpr auto map(F&& func) const& -> Option<decltype(std::forward<F>(func)(value()))>
     {
         using U = decltype(std::forward<F>(func)(value()));
         // static_assert(std::is_same_v<decltype(std::forward<F>(func)(value())), Option<U>>());
@@ -217,6 +225,7 @@ class Option {
             if constexpr (IsRef) {
                 // reinterpret_cast<std::reference_wrapper<ValueType>*>(m_data.data());
             } else {
+                // NOLINTNEXTLINE(cppcoreguidelines-pro-type-reinterpret-cast)
                 reinterpret_cast<ValueType*>(m_data.data())->~ValueType();
             }
             cleanup();