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Add parse manipulators

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Howard Hinnant
2016-09-14 22:05:47 -04:00
parent ddb826e490
commit 4aacc0b0b3
1 changed files with 9 additions and 2 deletions
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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/>
2016-09-13<br/>
2016-09-14<br/>
</address>
<hr/>
<h1 align=center>Time Zone Database Parser</h1>
@@ -709,7 +709,7 @@ convert(const std::string&amp; input)
using namespace date;
istringstream stream{input};
sys_time&lt;milliseconds&gt; t;
parse(stream, "%a %b %d %T %z %Y", t);
stream >> parse("%a %b %d %T %z %Y", t);
if (stream.fail())
throw runtime_error("failed to parse " + input);
return format("%FT%TZ", t);
@@ -2320,6 +2320,13 @@ or <code>local_time</code>, one could make a list of potential <code>time_zone</
Given a UTC offset, one might even narrow that list down further.
</p>
</blockquote>
<p>Furthermore, for every signature
<code>parse(std::basic_istream&lt;CharT, Traits&gt;&amp; is, Args...)</code> there exists
an input manipulator <code>parse(Args...)</code> that can be used like this:
</p>
<pre>
istream >> parse("%F %T", tp);
</pre>
</blockquote>
<a name="utc_clock"></a><h3><code>utc_clock</code></h3>