From 02e33b6b18f361a63e1bef0a5632c295c42ed24a Mon Sep 17 00:00:00 2001
From: neargye <neargye@gmail.com>
Date: Mon, 7 Sep 2020 20:35:21 +0300
Subject: [PATCH] add nameof_short_type

---
 example/example.cpp |  3 +++
 include/nameof.hpp  | 17 +++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/example/example.cpp b/example/example.cpp
index 850eebc..aaf7759 100644
--- a/example/example.cpp
+++ b/example/example.cpp
@@ -158,12 +158,15 @@ int main() {
   std::cout << NAMEOF_TYPE(const Long::LL&) << std::endl; // 'Long::LL'
   std::cout << nameof::nameof_full_type<const Long::LL&>() << std::endl; // 'const Long::LL &'
   std::cout << NAMEOF_FULL_TYPE(const Long::LL&) << std::endl; // 'const Long::LL &'
+  std::cout << NAMEOF_SHORT_TYPE(const Long::LL&) << std::endl; // 'LL'
+  std::cout << NAMEOF_SHORT_TYPE(const SomeClass<int>&) << std::endl; // 'SomeClass'
 
   // Nameof variable type.
   std::cout << nameof::nameof_type<decltype(structvar)>() << std::endl; // 'SomeStruct'
   std::cout << NAMEOF_TYPE_EXPR(structvar) << std::endl; // 'SomeStruct'
   std::cout << NAMEOF_TYPE_EXPR(std::declval<const SomeClass<int>>()) << std::endl; // 'SomeClass<int>'
   std::cout << NAMEOF_FULL_TYPE_EXPR(std::declval<const SomeClass<int>>()) << std::endl; // 'const SomeClass<int> &&'
+  std::cout << NAMEOF_SHORT_TYPE_EXPR(std::declval<const SomeClass<int>>()) << std::endl; // 'SomeClass'
 
   // Nameof macro.
   std::cout << NAMEOF(__LINE__) << std::endl; // '__LINE__'
diff --git a/include/nameof.hpp b/include/nameof.hpp
index 0a8c8a9..7158e3f 100644
--- a/include/nameof.hpp
+++ b/include/nameof.hpp
@@ -784,6 +784,17 @@ template <typename T>
   return name;
 }
 
+// Obtains string name of short type.
+template <typename T>
+[[nodiscard]] constexpr std::string_view nameof_short_type() noexcept {
+  static_assert(detail::nameof_type_supported<T>::value, "nameof::nameof_type unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility).");
+  using U = detail::identity<detail::remove_cvref_t<T>>;
+  constexpr std::string_view name = detail::pretty_name(detail::type_name_v<U>);
+  static_assert(name.size() > 0, "Type does not have a name.");
+
+  return name;
+}
+
 } // namespace nameof
 
 // Obtains simple (unqualified) string name of variable, function, macro.
@@ -835,6 +846,12 @@ template <typename T>
 // Obtains string name full type of expression, with reference and cv-qualifiers.
 #define NAMEOF_FULL_TYPE_EXPR(...) ::nameof::nameof_full_type<decltype(__VA_ARGS__)>()
 
+// Obtains string name of short type.
+#define NAMEOF_SHORT_TYPE(...) ::nameof::nameof_short_type<__VA_ARGS__>()
+
+// Obtains string name short type of expression.
+#define NAMEOF_SHORT_TYPE_EXPR(...) ::nameof::nameof_short_type<decltype(__VA_ARGS__)>()
+
 // Obtains string name of type, using RTTI.
 #define NAMEOF_TYPE_RTTI(...) ::nameof::detail::demangle(typeid(__VA_ARGS__).name())