anchor.diff:          | V2_2 -> "v2.2"
           | V3_0 -> "v3.0"
           | V3_1 -> "v3.1"
  +        | V5_0 -> "v5.0"
   
       member this.ShortString() =
           match this with
  
positive.code:         | 4 -> V2_2
          | 5 -> V3_0
          | 6 -> V3_1
          | _   -> failwithf "'%i' has no corresponding framework version" num
  
      static member (<->) (lower:DotNetCoreAppVersion,upper:DotNetCoreAppVersion) =
  
negative.code:         | V2_2 -> 4
          | V3_0 -> 5
          | V3_1 -> 6
          | V5_0 -> 7
  
      static member private FromNum num =
          match num with
  