= [Int: Double]()
    for possibleTip in possibleTipsInferred {
      let intPct = Int(possibleTip*100)
      retval[intPct] = calcTipWithTipPct(possibleTip)
    }
    return retval

  }

}
</textarea></form>

    <script>
      var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
        lineNumbers: true,
        matchBrackets: true,
        mode: "text/x-swift"
      });
    </script>

    <p>A simple mode for Swift</p>

    <p><strong>MIME types defined:</strong> <code>text/x-swift</c