Add specialization for boost:is_placeholder for issue #119

boostorg · Mar 21, 2016 · 4245a89 · viboes · Mar 23, 2016 · pfultz2
1 parent 9f4fcb7
commit 4245a89
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/include/fit/placeholders.hpp b/include/fit/placeholders.hpp
@@ -324,4 +324,17 @@ namespace std {
     {};
 }
 
+namespace boost {
+
+    template<class T> 
+    struct is_placeholder;
+
+    template<int N>
+    struct is_placeholder<fit::placeholder<N>>
+    : std::integral_constant<int, N>
+    {};
+
+
+}
+
 #endif