Code Analysis ReferenceAnalyzersRCS1198On this pageRCS1198: Avoid unnecessary boxing of value typePropertiesPropertyValueDefault Severitydisabled by defaultMinimum language version-ExamplesExample #1diagnostic.csstring s = null;int i = 0;// ...string x = s + i;fix.csstring x = s + i.ToString();Applies toExtension for VS 2022Extension for VS CodeExtension for Open VSXPackage Roslynator.Analyzers