anchor.diff:      ///  - `num` - whatever
       let hello num = 42
       [<DataContract>]
  +    type PagePreview = {
  +        ID : int
  +        PubDate : DateTime
  +        Title : string
  +        Slug : string
  +    }
  +    [<DataContract>]
       type Entry = {
           [<field : DataMember(Name="ID")>]
  -        ID : string
  -        [<field : DataMember(Name="URL")>]
  -        URL : string
  +        ID : int
  +        [<field : DataMember(Name="Slug")>]
  +        Slug : string
           [<field : DataMember(Name="Title")>]
           Title : string
           [<field : DataMember(Name="PubDate")>]
  
positive.code:                 PrevPage = Blog.HasPrevPage 5 pageNo
              }
              page |> OKJsonBytes
          );
          path "/blog/posts/pages/count" >>= context(fun _ -> OK <| (Blog.CountPages 5).ToString())
          path "/blog/tags/all" >>= context(fun _ -> Blog.tags |> Seq.toArray |> OKJsonBytes)
      ]
  
  
  
negative.code:         
          (publishedPosts |> Seq.toArray).[startOf..endOf]
  
      let EntryToPagePreview entry = 
          let item : PagePreview = {
              ID = entry.ID
              PubDate = entry.PubDate
              Title = entry.Title
              Slug = entry.Slug
          }
          item
  
  
  
  
  