Fix ambiguous formatter specialization in fmt/ranges.h (#1123)

2c77562b · Victor Zverovich · 98b37752 · 2c77562b
Commit 2c77562b authored May 12, 2019 by Victor Zverovich
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include/fmt/ranges.h include/fmt/ranges.h +1 -1

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--- a/include/fmt/ranges.h
+++ b/include/fmt/ranges.h
@@ -82,7 +82,7 @@ template <typename T> class is_like_std_string {

 public:
  static FMT_CONSTEXPR_DECL const bool value =
-      !std::is_void<decltype(check<T>(FMT_NULL))>::value;
+      is_string<T>::value || !std::is_void<decltype(check<T>(FMT_NULL))>::value;
 };

 template <typename Char>