public static Assembly CompileMvcToAssembly(string code, IEnumerable <MetadataReference> metadataReferences = null)
{
metadataReferences ??= Enumerable.Empty <MetadataReference>();
List <MetadataReference> references = GetMvcMetadataReferences();
return(SourceBuilder.CompileToAssembly(code, metadataReferences.Concat(references)));
}