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| 28 | <h2><span class="refentrytitle">Function operator-=</span></h2> |
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| 29 | <p>boost::posix_time::operator-= — </p> |
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| 31 | <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> |
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| 32 | <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"> |
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| 33 | <span class="type"><a href="ptime.html" title="Class ptime">ptime</a></span> <span class="bold"><strong>operator</strong></span>-=(<a href="ptime.html" title="Class ptime">ptime</a> & t, <span class="bold"><strong>const</strong></span> boost::gregorian::years & y);</pre></div> |
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| 34 | <div class="refsect1" lang="en"> |
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| 35 | <a name="id1174948"></a><h2>Description</h2> |
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| 36 | <p>Subtracts a years object from a ptime. Result will be same month and day-of-month as ptime unless original day was the last day of month. see date_time::years_duration for more details </p> |
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