Fix signed/unsigned comparison warning on gcc-7

WSoptics · Mar 23, 2018 · 08036cb · 08036cb
1 parent c3ff0f6
commit 08036cb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/cereal/types/variant.hpp b/include/cereal/types/variant.hpp
@@ -95,7 +95,7 @@ namespace cereal
 
     std::int32_t index;
     ar( CEREAL_NVP_("index", index) );
-    if(index >= std::variant_size_v<variant_t>)
+    if(index >= static_cast<std::int32_t>(std::variant_size_v<variant_t>))
       throw Exception("Invalid 'index' selector when deserializing std::variant");
 
     variant_detail::load_variant<0, variant_t, VariantTypes...>(ar, index, variant);