Address C++17 redeclaration of constexpr static

boostorg · Apr 11, 2024 · 04cc766 · 04cc766
1 parent 31117ef
commit 04cc766
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/include/boost/core/span.hpp b/include/boost/core/span.hpp
@@ -351,8 +351,10 @@ class span {
     detail::span_store<T, E> s_;
 };
 
+#if defined(BOOST_NO_CXX17_INLINE_VARIABLES)
 template<class T, std::size_t E>
 constexpr std::size_t span<T, E>::extent;
+#endif
 
 #ifdef __cpp_deduction_guides
 template<class I, class L>