anchor.diff:  @set args=%*
   @powershell "iex((@('')*3+(cat '%~f0'|select -skip 3))-join[char]10)"
   @exit /b %ERRORLEVEL%
  +
  +set CMD "Cmd" -option constant
   
   Set-PSDebug -strict
   $VerbosePreference = "Continue"
  
positive.code:     $saveGOARCH = $env:GOARCH
      $env:GOARCH = (Get-GoArch)
  
      Make-Dir "Bin"
      $binDir = (Join-Path "Bin" $env:GOARCH)
      Make-Dir $binDir
      $target = (Join-Path $binDir "nyagos.exe")
  
  
negative.code:     }
      "clean" {
          foreach( $p in @(`
              (Join-Path $CMD "amd64\nyagos.exe"),`
              (Join-Path $CMD "386\nyagos.exe"),`
              "nyagos.exe",`
              "nyagos.syso",`
              "version.now",`
  