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Document is_leap_second.

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Howard Hinnant
2018-03-22 20:52:53 -04:00
parent 0343c68812
commit f4639bde96
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tz.html
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@@ -26,7 +26,7 @@
<br/>
<br/>
<a href="mailto:howard.hinnant@gmail.com">Howard E. Hinnant</a><br/>
2017-12-26<br/>
2018-03-22<br/>
</address>
<hr/>
<h1 align=center>Time Zone Database Parser</h1>
@@ -2816,6 +2816,25 @@ If <code>abbrev</code> is not equal to <code>nullptr</code>, the information par
</p>
</blockquote>
<pre>
template &lt;class Duration&gt;
std::pair&lt;bool, std::chrono::seconds&gt;
is_leap_second(utc_time&lt;Duration&gt; const&amp; t);
</pre>
<blockquote>
<p>
<i>Returns:</i> If <code>t</code> represents a <code>time_point</code> during a leap
second insertion, the first member of the <code>pair</code> has a value of
<code>true</code>, otherwise <code>false</code>. The second member of the returned
<code>pair</code> holds the number of leap seconds that have been inserted between
<code>t</code> and 1970-01-01. If <code>t</code> represents a <code>time_point</code>
prior to 1970-01-01, the value is <code>0s</code>. If <code>t</code> represents a
<code>time_point</code> during a leap second insertion, that full leap second is included
in the count.
</p>
</blockquote>
</blockquote>
<a name="tai_clock"></a><h3><code>tai_clock</code></h3>