anchor.diff:  
       use stream = zf.GetInputStream(ze)
       use reader = new StreamReader(stream)
  -    reader.ReadToEnd()         +    reader.ReadToEnd()
positive.code:     use reader = new StreamReader(stream)
      reader.ReadToEnd()
      
  /// <summary>Unzips a single file from the archive with the given fileName.</summary>
  /// <param name="predicate">The predictae for the searched file in the archive.</param>
  /// <param name="zipFileName">The FileName of the zip file.</param>
  let UnzipFirstMatchingFileInMemory predicate (zipFileName:string) =
      use zf = new ZipFile(zipFileName)
  
  
negative.code: ﻿[<AutoOpen>]
  /// This module contains helper function to create and extract zip archives.
  module Fake.ZipHelper
  
  open System.IO
  