From 30618cd15653843895b060a66c64c5c8b49aed05 Mon Sep 17 00:00:00 2001
From: terik23 <neargye@gmail.com>
Date: Tue, 26 Mar 2019 21:49:12 +0500
Subject: [PATCH] auto template

---
 include/nameof.hpp | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/include/nameof.hpp b/include/nameof.hpp
index 04292c5..407470a 100644
--- a/include/nameof.hpp
+++ b/include/nameof.hpp
@@ -160,7 +160,7 @@ template <typename T>
 #endif
 }
 
-template <typename E, E V>
+template <auto V>
 [[nodiscard]] constexpr std::string_view nameof_enum_impl() noexcept {
 #if defined(__clang__)
   std::string_view name{__PRETTY_FUNCTION__};
@@ -196,21 +196,21 @@ struct nameof_enum_impl_t final {
 
     switch (value - V) {
       case 0:
-        return nameof_enum_impl<E, static_cast<E>(V)>();
+        return nameof_enum_impl<static_cast<E>(V)>();
       case 1:
-        return nameof_enum_impl<E, static_cast<E>(V + 1)>();
+        return nameof_enum_impl<static_cast<E>(V + 1)>();
       case 2:
-        return nameof_enum_impl<E, static_cast<E>(V + 2)>();
+        return nameof_enum_impl<static_cast<E>(V + 2)>();
       case 3:
-        return nameof_enum_impl<E, static_cast<E>(V + 3)>();
+        return nameof_enum_impl<static_cast<E>(V + 3)>();
       case 4:
-        return nameof_enum_impl<E, static_cast<E>(V + 4)>();
+        return nameof_enum_impl<static_cast<E>(V + 4)>();
       case 5:
-        return nameof_enum_impl<E, static_cast<E>(V + 5)>();
+        return nameof_enum_impl<static_cast<E>(V + 5)>();
       case 6:
-        return nameof_enum_impl<E, static_cast<E>(V + 6)>();
+        return nameof_enum_impl<static_cast<E>(V + 6)>();
       case 7:
-        return nameof_enum_impl<E, static_cast<E>(V + 7)>();
+        return nameof_enum_impl<static_cast<E>(V + 7)>();
       default:
         return nameof_enum_impl_t<E, V + 8>{}(value);
     }
@@ -246,7 +246,7 @@ template <typename T, typename = std::enable_if_t<std::is_enum_v<std::decay_t<T>
 // nameof_enum used to obtain the simple (unqualified) string enum name of static storage enum variable.
 template <auto V, typename = std::enable_if_t<std::is_enum_v<std::decay_t<decltype(V)>>>>
 [[nodiscard]] constexpr std::string_view nameof_enum() noexcept {
-  return detail::nameof_enum_impl<decltype(V), V>();
+  return detail::nameof_enum_impl<V>();
 }
 
 // nameof_type used to obtain the string name of type.