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    <p>this is nice, thanks! What if a and b are of different types? I
      simplified my example to much..<br>
    </p>
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    <div class="moz-cite-prefix">Am 19.05.16 um 15:22 schrieb Imants
      Cekusins:<br>
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    <blockquote
cite="mid:CAP1qinZr16mhYih3VCmO_WH0_+Cgs7JMeBfTU5aO-FfXs=r3Cg@mail.gmail.com"
      type="cite">
      <div dir="ltr">if 'update' were changed to
        <div>update :: [String] -> IO ()<br>
        </div>
        <div><br>
        </div>
        then you could do:
        <div>​doIt :: IO ()</div>
        <div>doIt = sequence [inputA,inputB] >>= update</div>
        <div><br>
        </div>
        <div>is this better?</div>
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</pre>
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