🚑 fix for #448

nlohmann · Feb 19, 2017 · 1f72c38 · 1f72c38
1 parent 83f1d2c
commit 1f72c38
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Showing 2 changed files with 8 additions and 4 deletions.
diff --git a/src/json.hpp b/src/json.hpp
@@ -523,8 +523,10 @@ struct has_to_json
 // to_json //
 /////////////
 
-template<typename BasicJsonType>
-void to_json(BasicJsonType& j, typename BasicJsonType::boolean_t b) noexcept
+template<typename BasicJsonType, typename T, enable_if_t<
+             std::is_same<typename std::decay<T>::type,
+                          typename BasicJsonType::boolean_t>::value, int> = 0>
+void to_json(BasicJsonType& j, T b) noexcept
 {
     external_constructor<value_t::boolean>::construct(j, b);
 }

diff --git a/src/json.hpp.re2c b/src/json.hpp.re2c
@@ -523,8 +523,10 @@ struct has_to_json
 // to_json //
 /////////////
 
-template<typename BasicJsonType>
-void to_json(BasicJsonType& j, typename BasicJsonType::boolean_t b) noexcept
+template<typename BasicJsonType, typename T, enable_if_t<
+             std::is_same<typename std::decay<T>::type,
+                          typename BasicJsonType::boolean_t>::value, int> = 0>
+void to_json(BasicJsonType& j, T b) noexcept
 {
     external_constructor<value_t::boolean>::construct(j, b);
 }