Update SSLContext to use folly::Random and discrete_distribution

[folly.git] / folly / DynamicConverter.h

diff --git a/folly/DynamicConverter.h b/folly/DynamicConverter.h
index 16c3a0888bf7150e635231a4bddfc140a426193e..4c8b910cc466a3af4d03ccb40e455391c2ae1250 100644 (file)
--- a/folly/DynamicConverter.h
+++ b/folly/DynamicConverter.h
@@ -54,13 +54,20 @@ BOOST_MPL_HAS_XXX_TRAIT_DEF(value_type);
 BOOST_MPL_HAS_XXX_TRAIT_DEF(iterator);
 BOOST_MPL_HAS_XXX_TRAIT_DEF(mapped_type);
 
-template <typename T> struct class_is_container {
-  typedef std::reverse_iterator<T*> some_iterator;
+template <typename T> struct iterator_class_is_container {
+  typedef std::reverse_iterator<typename T::iterator> some_iterator;
   enum { value = has_value_type<T>::value &&
-                 has_iterator<T>::value &&
               std::is_constructible<T, some_iterator, some_iterator>::value };
 };
 
+template <typename T>
+using class_is_container = typename
+  std::conditional<
+    has_iterator<T>::value,
+    iterator_class_is_container<T>,
+    std::false_type
+  >::type;
+
 template <typename T> struct class_is_range {
   enum { value = has_value_type<T>::value &&
                  has_iterator<T>::value };