From f5eb410c628f676c76509a8356a0db5c51c71f98 Mon Sep 17 00:00:00 2001
From: Alexandre Bossard <alexandre.bossard@tanker.io>
Date: Mon, 4 Nov 2019 14:20:03 +0100
Subject: [PATCH] Remove string like api detection for ranges

This isn't very useful nor very valid. And since
it trigger a GCC 4.8 bug, it's easier to drop it.
---
 include/fmt/ranges.h | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/include/fmt/ranges.h b/include/fmt/ranges.h
index 6110fdaf..e84666fa 100644
--- a/include/fmt/ranges.h
+++ b/include/fmt/ranges.h
@@ -74,15 +74,8 @@ OutputIterator copy(char ch, OutputIterator out) {
 }
 
 /// Return true value if T has std::string interface, like std::string_view.
-template <typename T> class is_like_std_string {
-  template <typename U>
-  static auto check(U* p)
-      -> decltype((void)p->find('a'), p->length(), (void)p->data(), int());
-  template <typename> static void check(...);
-
- public:
-  static FMT_CONSTEXPR_DECL const bool value =
-      is_string<T>::value || !std::is_void<decltype(check<T>(nullptr))>::value;
+template <typename T> struct is_like_std_string {
+  static FMT_CONSTEXPR_DECL const bool value = is_string<T>::value;
 };
 
 template <typename Char>