Here you go https://developercommunity.visualstudio.com/idea/443508/msvc-2017-does-not-support-generic-type-generic-ma.html https://developercommunity.visualstu

Here you go https://developercommunity.visualstudio.com/idea/443508/msvc-2017-does-not-support-generic-type-generic-ma.html https://developercommunity.visualstudio.com/idea/443508/msvc... Read the comments, it should be available in the next VS2019 update.