anchor.diff:          Pos.fromZ 2 17
       ]
       |> List.map (fun pos -> generateDefinitionFromPos pos src)
  -    |> List.iter (assertEqual """/// Basic operations on options.
  +    |> List.iter (assertSrcAreEqual """/// Basic operations on options.
   [<CompilationRepresentation(enum<CompilationRepresentationFlags> (4))>]
   module Microsoft.FSharp.Core.Option
   
  
positive.code: 
  let x: List<int> = []"""
      |> generateDefinitionFromPos (Pos.fromZ 2 7)
      |> assertEqual """namespace Microsoft.FSharp.Collections
  
  /// The type of immutable singly-linked lists.
  [<DefaultAugmentation(false)>]
  
negative.code: let x = Array.map
      """
      |> generateDefinitionFromPos (Pos.fromZ 1 9)
      |> assertSrcAreEqual """/// Basic operations on arrays.
  [<CompilationRepresentation(enum<CompilationRepresentationFlags> (4))>]
  [<RequireQualifiedAccess>]
  module Microsoft.FSharp.Collections.Array
  