From f41991a05ee1a5de6ad8c60fd1ac6b60b741d2bb Mon Sep 17 00:00:00 2001
From: Thomas Barbier <thomas.barbier@amadeus.com>
Date: Mon, 17 Mar 2025 14:29:02 +0100
Subject: [PATCH] Don't use deprecated form of user-defined literal operator

---
 include/boost/histogram/literals.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/histogram/literals.hpp b/include/boost/histogram/literals.hpp
index b5d459679..02ce9a391 100644
--- a/include/boost/histogram/literals.hpp
+++ b/include/boost/histogram/literals.hpp
@@ -23,7 +23,7 @@ constexpr unsigned parse_number(unsigned n, char f, Rest... rest) {
 namespace literals {
 /// Suffix operator to generate literal compile-time numbers, 0_c, 12_c, etc.
 template <char... digits>
-auto operator"" _c() {
+auto operator ""_c() {
   return std::integral_constant<unsigned, detail::parse_number(0, digits...)>();
 }
 } // namespace literals