add size_t literal suffix polyfill

2 files changed, 28 insertions, 0 deletions

diff --git a/compat/literal-size-type.hpp b/compat/literal-size-type.hpp
new file mode 100644
index 00000000..1eef90d3
--- /dev/null
+++ b/compat/literal-size-type.hpp
@@ -0,0 +1,25 @@
+#pragma once
+#include <cstddef>
+
+namespace floormat {
+
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wuser-defined-literals"
+#elif defined _MSC_VER
+#pragma warning(push)
+#pragma warning(disable : 4455)
+#endif
+
+constexpr std::size_t operator"" z(unsigned long long int x) noexcept
+{
+    return std::size_t(x);
+}
+
+#ifdef __clang__
+#pragma clang diagnostic pop
+#elif defined _MSC_VER
+#pragma warning(pop)
+#endif
+
+} // namespace floormat
diff --git a/compat/prelude.hpp b/compat/prelude.hpp
index 077d5a75..1841e50b 100644
--- a/compat/prelude.hpp
+++ b/compat/prelude.hpp
@@ -1,4 +1,7 @@
 #pragma once
+#if !(defined __cpp_size_t_suffix && __cpp_size_t_suffix >= 202006L)
+#include "literal-size-type.hpp"
+#endif
 
 namespace Magnum {}
 namespace floormat {