Merge pull request #203 from Jacyking/master

Author: qicosmos

README.md

@@ -21,7 +21,7 @@
 
 # 一个很酷的Modern C++ ORM库----ormpp
 
-iguana版本1.0.8
+iguana版本1.0.9
 https://github.com/qicosmos/iguana.git
 
 [谁在用ormpp](https://github.com/qicosmos/ormpp/wiki), 也希望ormpp用户帮助编辑用户列表，也是为了让更多用户把ormpp用起来，也是对ormpp 最大的支持，用户列表的用户问题会优先处理。
@@ -780,4 +780,4 @@ qq群: 492859173
 
 [http://purecpp.cn/](http://purecpp.cn/ "purecpp")
 
-[https://github.com/qicosmos/ormpp](https://github.com/qicosmos/ormpp "ormpp")
+[https://github.com/qicosmos/ormpp](https://github.com/qicosmos/ormpp "ormpp")

iguana/detail/itoa.hpp

@@ -219,7 +219,7 @@ struct convert {
   template <typename U, std::enable_if_t<!std::is_signed<U>::value &&
                                          std::is_integral<U>::value>* = nullptr>
   static inline char* itoa(U u, char* p) {
-    return convert<D>::template itoa(p, u);
+    return convert<D>::template itoa<>(p, u);
   }
 
   // itoa: handle signed integral operands (selected by SFINAE)
@@ -257,7 +257,7 @@ struct convert {
       *p = '-';
       p += (mask & 1);
     }
-    p = convert<D>::template itoa(p, u);
+    p = convert<D>::template itoa<>(p, u);
     if (D == Rev && mask)
       *--p = '-';
     return p;

iguana/ylt/reflection/member_count.hpp

@@ -178,9 +178,12 @@ inline constexpr std::size_t members_count() {
   else if constexpr (internal::tuple_size<type>) {
     return std::tuple_size<type>::value;
   }
-  else {
+  else if constexpr (std::is_aggregate_v<type>) {
     return internal::members_count_impl<type>();
   }
+  else {
+    static_assert(!sizeof(T), "not supported type!");
+  }
 }
 
 template <typename T>