From 337a03cd52e17cf5f3b8587a3cf266c7210bb358 Mon Sep 17 00:00:00 2001
From: Roelf-Jilling <r-j.wolthuis@live.com>
Date: Fri, 16 Nov 2018 22:08:28 +0100
Subject: [PATCH] Fix or locally suppress clang warning
 -Wunused-member-function

---
 tests/span_tests.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/tests/span_tests.cpp b/tests/span_tests.cpp
index 6b1562f..e173f43 100644
--- a/tests/span_tests.cpp
+++ b/tests/span_tests.cpp
@@ -55,9 +55,18 @@ struct DerivedClass : BaseClass
 };
 struct AddressOverloaded
 {
+#if (__cplusplus > 201402L)
+    [[maybe_unused]]
+#elif defined(__clang__)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-member-function"
+#endif
     AddressOverloaded operator&() const { return {}; }
+#if !(__cplusplus > 201402L) && defined(__clang__)
+#pragma clang diagnostic pop
+#endif
 };
-}
+} // namespace
 
 GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
 TEST_CASE("default_constructor")