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    <div class="moz-cite-prefix">On 04/29/2013 02:41 PM, Phil Bewig
      wrote:<br>
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cite="mid:CAPojvs1UaHtgLL=WdOrshOVEqPmJz-fh3en5FEOE7HaAnOt8Nw@mail.gmail.com"
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      <div dir="ltr">Are you familiar with <a moz-do-not-send="true"
          href="http://srfi.schemers.org/srfi-41">srfi-41</a>?<br>
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    Sure.  It seemed that the original question was more general than
    implementing streams.<br>
    <br>
    Brad<br>
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