Tweaks for StringView to make the backing value the owner of the string.

src/String/StringView.hpp

@@ -16,22 +16,28 @@
 
 namespace ArbUt {
     class __ConstStringCharHolder {
-        std::string_view _value;
+        char* _value;
         std::atomic<size_t> _references;
 
         __ConstStringCharHolder(const __ConstStringCharHolder& o) = delete;
         __ConstStringCharHolder& operator=(const __ConstStringCharHolder& other) = delete;
 
     public:
-        __ConstStringCharHolder(const std::string_view& value) noexcept : _value(value), _references(1) {}
+        __ConstStringCharHolder(const std::string_view& value) noexcept
+            : _value(new char[value.length() + 1]), _references(1) {
+            strncpy(_value, value.data(), value.length());
+            _value[value.length()] = '\0';
+        }
+        ~__ConstStringCharHolder() { delete[] _value; }
 
         inline void RemoveReference() noexcept {
             if (--_references <= 0) {
                 delete this;
             }
         }
+
         inline void AddReference() noexcept { _references++; }
-        inline constexpr const std::string_view& GetValue() const noexcept { return _value; }
+        inline constexpr std::string_view GetValue() const noexcept { return std::string_view(_value); }
     };
 }
 
@@ -39,7 +45,6 @@ inline static constexpr char charToLower(const char c) { return (c >= 'A' && c <
 static uint32_t constexpr Hash(char const* input) {
     return charToLower(*input) ? static_cast<uint32_t>(charToLower(*input)) + 33 * Hash(input + 1) : 5381;
 };
-static int constexpr CalcLength(const char* str) { return *str ? 1 + CalcLength(str + 1) : 0; }
 
 namespace ArbUt {
     class StringView final : public BasicStringView {

src/String/StringViewLiteral.hpp

@@ -5,6 +5,8 @@
 #include "BasicStringView.hpp"
 #include "StringView.hpp"
 
+static int constexpr CalcLength(const char* str) { return *str ? 1 + CalcLength(str + 1) : 0; }
+
 namespace ArbUt {
     class StringViewLiteral final : public BasicStringView {
     private: