Disable integral operator<< (#1316)

2019-09-23 20:34:08 -07:00
parent 20fdb88a1c
commit ccc8f5db02
2 changed files with 7 additions and 2 deletions
--- a/include/fmt/ostream.h
+++ b/include/fmt/ostream.h
@@ -49,6 +49,10 @@ template <typename Char> struct test_stream : std::basic_ostream<Char> {
  // Hide all operator<< from std::basic_ostream<Char>.
  void_t<> operator<<(null<>);
  void_t<> operator<<(const Char*);
+
+  template <typename T, FMT_ENABLE_IF(std::is_convertible<T, int>::value &&
+                                      !std::is_enum<T>::value)>
+  void_t<> operator<<(T);
 };

 // Checks if T has a user-defined operator<< (e.g. not a member of