fix build

include/nameof.hpp

@@ -879,16 +879,16 @@ string nameof_full_type_rtti(const char* tn) {
   free(dmg);
   assert(name.size() > 0 && "Type does not have a name.");
   if constexpr (std::is_const_v<std::remove_reference_t<T>>) {
-    name = "const " + name;
+    name = string{"const "}.append(name);
   }
   if constexpr (std::is_volatile_v<std::remove_reference_t<T>>) {
-    name = "volatile " + name;
+    name = string{"volatile "}.append(name);
   }
   if constexpr (std::is_lvalue_reference_v<T>) {
-    name += '&';
+    name.append(1, '&');
   }
   if constexpr (std::is_rvalue_reference_v<T>) {
-    name += "&&";
+    name.append("&&");
   }
 
   return name;
@@ -898,7 +898,8 @@ template <typename T, enable_if_has_short_name_t<T, int> = 0>
 string nameof_short_type_rtti(const char* tn) {
   static_assert(nameof_type_rtti_supported<T>::value, "nameof::nameof_type_rtti unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility).");
   const auto dmg = abi::__cxa_demangle(tn, nullptr, nullptr, nullptr);
-  const auto name = string{pretty_name(dmg)};
+  const auto pname = pretty_name(dmg);
+  const auto name = string{pname.data(), pname.size()};
   free(dmg);
   assert(name.size() > 0 && "Type does not have a short name.");
 
@@ -920,16 +921,16 @@ string nameof_full_type_rtti(const char* tn) noexcept {
   auto name = string{tn};
   assert(name.size() > 0 && "Type does not have a name.");
   if constexpr (std::is_const_v<std::remove_reference_t<T>>) {
-    name = "const " + name;
+    name = string{"const "}.append(name);
   }
   if constexpr (std::is_volatile_v<std::remove_reference_t<T>>) {
-    name = "volatile " + name;
+    name = string{"volatile "}.append(name);
   }
   if constexpr (std::is_lvalue_reference_v<T>) {
-    name += '&';
+    name.append(1, '&');
   }
   if constexpr (std::is_rvalue_reference_v<T>) {
-    name += "&&";
+    name.append("&&");
   }
 
   return name;

test/test_aliases.cpp

@@ -28,14 +28,16 @@
 
 struct MyString {
   MyString() : str{} {} // required
+  MyString(const char* s) : str{s} {} // required
   MyString(const char* s, std::size_t l) : str{s, l} {} // required
   bool empty() const { return str.empty(); } // required
+  std::size_t size() const { return str.size(); } // required
   auto begin() const { return str.begin(); } // required
   auto end() const { return str.end(); } // required
-  void append(std::size_t count, char c) { str.append(count, c); } // required
+  MyString& append(std::size_t count, char c) { str.append(count, c); return *this; } // required
-  void append(const char* s, std::size_t size) { str.append(s, size); } // required
+  MyString& append(const char* s) { str.append(s); return *this; } // required
+  MyString& append(const MyString& s) { str.append(s.str); return *this; } // required
 
-  std::size_t size() const { return str.size(); }
   int compare(const char* s) const { return str.compare(s); }
 
  private:
@@ -47,7 +49,8 @@ struct MyStringView {
   static constexpr auto npos = std::string_view::npos; // required
 
   constexpr MyStringView() : str{} {} // required
-  constexpr MyStringView(const char* cstr, std::size_t size) : str{cstr, size} {} // required
+  constexpr MyStringView(const char* s) : str{s} {} // required
+  constexpr MyStringView(const char* s, std::size_t size) : str{s, size} {} // required
   constexpr bool empty() const { return str.empty(); } // required
   constexpr std::size_t size() const { return str.size(); } // required
   constexpr const char* data() const { return str.data(); } // required
@@ -57,10 +60,10 @@ struct MyStringView {
   constexpr std::size_t find(char c) const { return str.find(c); } // required
   constexpr MyStringView substr(std::size_t p, std::size_t n) { return str.substr(p, n); } // required
   constexpr void remove_prefix(std::size_t n) { str.remove_prefix(n); } // required
-  constexpr int compare(MyStringView s) const { return str.compare(s); } // required
+  constexpr void remove_suffix(std::size_t n) { str.remove_suffix(n); } // required
+  constexpr int compare(MyStringView s) const { return str.compare(s.str); } // required
   friend constexpr bool operator==(MyStringView lhs, MyStringView rhs); // required
 
-  constexpr MyStringView(const char* cstr) : str{ cstr } {}
   constexpr int compare(const char* s) const { return str.compare(s); }
 
  private: