From 170b0d6b3f3b58788b871a97b94271a0674ae293 Mon Sep 17 00:00:00 2001
From: ToruNiina <niina.toru.68u@gmail.com>
Date: Sat, 5 May 2018 12:06:06 +0900
Subject: [PATCH] use constexpr value instead of call constexpr func directory

---
 toml/value.hpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/toml/value.hpp b/toml/value.hpp
index e918393..3240956 100644
--- a/toml/value.hpp
+++ b/toml/value.hpp
@@ -592,21 +592,21 @@ template<typename T, typename std::enable_if<
     value_traits<T>::is_toml_type, std::nullptr_t>::type>
 value::value(T&& v) : type_(toml::detail::check_type<T>())
 {
-    switch_assign<toml::detail::check_type<T>()>::invoke(
-            *this, std::forward<T>(v));
+    constexpr value_t kind = toml::detail::check_type<T>();
+    switch_assign<kind>::invoke(*this, std::forward<T>(v));
 }
 
 template<typename T, typename std::enable_if<
     value_traits<T>::is_toml_type, std::nullptr_t>::type>
 value& value::operator=(T&& v)
 {
+    constexpr value_t kind = toml::detail::check_type<T>();
     if(should_be_cleaned(this->type_))
     {
         switch_clean(this->type_);
     }
-    this->type_ = toml::detail::check_type<T>();
-    switch_assign<toml::detail::check_type<T>()>::invoke(
-            *this, std::forward<T>(v));
+    this->type_ = kind;
+    switch_assign<kind>::invoke(*this, std::forward<T>(v));
     return *this;
 }