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+<span id="210">210</span>
+</pre><pre class='rust '>
+<span class='kw'>enum</span> <span class='ident'>DateParseState</span> {
+ <span class='ident'>Date</span>,
+ <span class='ident'>Month</span>,
+ <span class='ident'>Year</span>,
+ <span class='ident'>Hour</span>,
+ <span class='ident'>Minute</span>,
+ <span class='ident'>Second</span>,
+ <span class='ident'>Timezone</span>,
+}
+
+<span class='kw'>fn</span> <span class='ident'>days_in_month</span>(<span class='ident'>month</span>: <span class='ident'>i64</span>, <span class='ident'>year</span>: <span class='ident'>i64</span>) <span class='op'>-&gt;</span> <span class='ident'>i64</span> {
+ <span class='kw'>match</span> <span class='ident'>month</span> {
+ <span class='number'>0</span> <span class='op'>|</span> <span class='number'>2</span> <span class='op'>|</span> <span class='number'>4</span> <span class='op'>|</span> <span class='number'>6</span> <span class='op'>|</span> <span class='number'>7</span> <span class='op'>|</span> <span class='number'>9</span> <span class='op'>|</span> <span class='number'>11</span> <span class='op'>=&gt;</span> <span class='number'>31</span>,
+ <span class='number'>3</span> <span class='op'>|</span> <span class='number'>5</span> <span class='op'>|</span> <span class='number'>8</span> <span class='op'>|</span> <span class='number'>10</span> <span class='op'>=&gt;</span> <span class='number'>30</span>,
+ <span class='number'>1</span> <span class='op'>=&gt;</span> {
+ <span class='kw'>if</span> (<span class='ident'>year</span> <span class='op'>%</span> <span class='number'>400</span>) <span class='op'>==</span> <span class='number'>0</span> {
+ <span class='number'>29</span>
+ } <span class='kw'>else</span> <span class='kw'>if</span> (<span class='ident'>year</span> <span class='op'>%</span> <span class='number'>100</span>) <span class='op'>==</span> <span class='number'>0</span> {
+ <span class='number'>28</span>
+ } <span class='kw'>else</span> <span class='kw'>if</span> (<span class='ident'>year</span> <span class='op'>%</span> <span class='number'>4</span>) <span class='op'>==</span> <span class='number'>0</span> {
+ <span class='number'>29</span>
+ } <span class='kw'>else</span> {
+ <span class='number'>28</span>
+ }
+ }
+ _ <span class='op'>=&gt;</span> <span class='number'>0</span>,
+ }
+}
+
+<span class='kw'>fn</span> <span class='ident'>seconds_to_date</span>(<span class='ident'>year</span>: <span class='ident'>i64</span>, <span class='ident'>month</span>: <span class='ident'>i64</span>, <span class='ident'>day</span>: <span class='ident'>i64</span>) <span class='op'>-&gt;</span> <span class='ident'>i64</span> {
+ <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>result</span>: <span class='ident'>i64</span> <span class='op'>=</span> <span class='number'>0</span>;
+ <span class='kw'>for</span> <span class='ident'>y</span> <span class='kw'>in</span> <span class='number'>1970</span>..<span class='number'>2001</span> {
+ <span class='kw'>if</span> <span class='ident'>y</span> <span class='op'>==</span> <span class='ident'>year</span> {
+ <span class='kw'>break</span>;
+ }
+ <span class='ident'>result</span> <span class='op'>+=</span> <span class='number'>86400</span> <span class='op'>*</span> <span class='number'>365</span>;
+ <span class='kw'>if</span> (<span class='ident'>y</span> <span class='op'>%</span> <span class='number'>4</span>) <span class='op'>==</span> <span class='number'>0</span> {
+ <span class='ident'>result</span> <span class='op'>+=</span> <span class='number'>86400</span>;
+ }
+ }
+ <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>y</span> <span class='op'>=</span> <span class='number'>2001</span>;
+ <span class='kw'>while</span> <span class='ident'>y</span> <span class='op'>&lt;</span> <span class='ident'>year</span> {
+ <span class='kw'>if</span> <span class='ident'>year</span> <span class='op'>-</span> <span class='ident'>y</span> <span class='op'>&gt;=</span> <span class='number'>400</span> {
+ <span class='ident'>result</span> <span class='op'>+=</span> (<span class='number'>86400</span> <span class='op'>*</span> <span class='number'>365</span> <span class='op'>*</span> <span class='number'>400</span>) <span class='op'>+</span> (<span class='number'>86400</span> <span class='op'>*</span> <span class='number'>97</span>);
+ <span class='ident'>y</span> <span class='op'>+=</span> <span class='number'>400</span>;
+ <span class='kw'>continue</span>;
+ }
+ <span class='kw'>if</span> <span class='ident'>year</span> <span class='op'>-</span> <span class='ident'>y</span> <span class='op'>&gt;=</span> <span class='number'>100</span> {
+ <span class='ident'>result</span> <span class='op'>+=</span> (<span class='number'>86400</span> <span class='op'>*</span> <span class='number'>365</span> <span class='op'>*</span> <span class='number'>100</span>) <span class='op'>+</span> (<span class='number'>86400</span> <span class='op'>*</span> <span class='number'>24</span>);
+ <span class='ident'>y</span> <span class='op'>+=</span> <span class='number'>100</span>;
+ <span class='kw'>continue</span>;
+ }
+ <span class='kw'>if</span> <span class='ident'>year</span> <span class='op'>-</span> <span class='ident'>y</span> <span class='op'>&gt;=</span> <span class='number'>4</span> {
+ <span class='ident'>result</span> <span class='op'>+=</span> (<span class='number'>86400</span> <span class='op'>*</span> <span class='number'>365</span> <span class='op'>*</span> <span class='number'>4</span>) <span class='op'>+</span> (<span class='number'>86400</span>);
+ <span class='ident'>y</span> <span class='op'>+=</span> <span class='number'>4</span>;
+ <span class='kw'>continue</span>;
+ }
+ <span class='ident'>result</span> <span class='op'>+=</span> <span class='number'>86400</span> <span class='op'>*</span> <span class='number'>365</span>;
+ <span class='ident'>y</span> <span class='op'>+=</span> <span class='number'>1</span>;
+ }
+ <span class='kw'>for</span> <span class='ident'>m</span> <span class='kw'>in</span> <span class='number'>0</span>..<span class='ident'>month</span> {
+ <span class='ident'>result</span> <span class='op'>+=</span> <span class='number'>86400</span> <span class='op'>*</span> <span class='ident'>days_in_month</span>(<span class='ident'>m</span>, <span class='ident'>year</span>)
+ }
+ <span class='ident'>result</span> <span class='op'>+</span> <span class='number'>86400</span> <span class='op'>*</span> (<span class='ident'>day</span> <span class='op'>-</span> <span class='number'>1</span>)
+}
+
+<span class='doccomment'>/// Convert a date field from an email header into a UNIX epoch timestamp.</span>
+<span class='doccomment'>/// This function handles the most common formatting of date fields found in</span>
+<span class='doccomment'>/// email headers. It may fail to parse some of the more creative formattings.</span>
+<span class='doccomment'>///</span>
+<span class='doccomment'>/// # Examples</span>
+<span class='doccomment'>/// ```</span>
+<span class='doccomment'>/// use mailparse::dateparse;</span>
+<span class='doccomment'>/// assert_eq!(dateparse(&quot;Sun, 02 Oct 2016 07:06:22 -0700 (PDT)&quot;).unwrap(), 1475417182);</span>
+<span class='doccomment'>/// ```</span>
+<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>dateparse</span>(<span class='ident'>date</span>: <span class='kw-2'>&amp;</span><span class='ident'>str</span>) <span class='op'>-&gt;</span> <span class='prelude-ty'>Result</span><span class='op'>&lt;</span><span class='ident'>i64</span>, <span class='kw-2'>&amp;</span><span class='lifetime'>&#39;static</span> <span class='ident'>str</span><span class='op'>&gt;</span> {
+ <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>result</span> <span class='op'>=</span> <span class='number'>0</span>;
+ <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>month</span> <span class='op'>=</span> <span class='number'>0</span>;
+ <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>day_of_month</span> <span class='op'>=</span> <span class='number'>0</span>;
+ <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>state</span> <span class='op'>=</span> <span class='ident'>DateParseState</span>::<span class='ident'>Date</span>;
+ <span class='kw'>for</span> <span class='ident'>tok</span> <span class='kw'>in</span> <span class='ident'>date</span>.<span class='ident'>split</span>(<span class='op'>|</span><span class='ident'>c</span><span class='op'>|</span> <span class='ident'>c</span> <span class='op'>==</span> <span class='string'>&#39; &#39;</span> <span class='op'>||</span> <span class='ident'>c</span> <span class='op'>==</span> <span class='string'>&#39;:&#39;</span>) {
+ <span class='kw'>if</span> <span class='ident'>tok</span>.<span class='ident'>is_empty</span>() {
+ <span class='kw'>continue</span>;
+ }
+ <span class='kw'>match</span> <span class='ident'>state</span> {
+ <span class='ident'>DateParseState</span>::<span class='ident'>Date</span> <span class='op'>=&gt;</span> {
+ <span class='kw'>match</span> <span class='ident'>tok</span>.<span class='ident'>parse</span>::<span class='op'>&lt;</span><span class='ident'>u8</span><span class='op'>&gt;</span>() {
+ <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) <span class='op'>=&gt;</span> {
+ <span class='ident'>day_of_month</span> <span class='op'>=</span> <span class='ident'>v</span>;
+ <span class='ident'>state</span> <span class='op'>=</span> <span class='ident'>DateParseState</span>::<span class='ident'>Month</span>;
+ }
+ <span class='prelude-val'>Err</span>(_) <span class='op'>=&gt;</span> (),
+ };
+ <span class='kw'>continue</span>;
+ }
+ <span class='ident'>DateParseState</span>::<span class='ident'>Month</span> <span class='op'>=&gt;</span> {
+ <span class='ident'>month</span> <span class='op'>=</span> <span class='kw'>match</span> <span class='ident'>tok</span>.<span class='ident'>to_uppercase</span>().<span class='ident'>as_str</span>() {
+ <span class='string'>&quot;JAN&quot;</span> <span class='op'>|</span> <span class='string'>&quot;JANUARY&quot;</span> <span class='op'>=&gt;</span> <span class='number'>0</span>,
+ <span class='string'>&quot;FEB&quot;</span> <span class='op'>|</span> <span class='string'>&quot;FEBRUARY&quot;</span> <span class='op'>=&gt;</span> <span class='number'>1</span>,
+ <span class='string'>&quot;MAR&quot;</span> <span class='op'>|</span> <span class='string'>&quot;MARCH&quot;</span> <span class='op'>=&gt;</span> <span class='number'>2</span>,
+ <span class='string'>&quot;APR&quot;</span> <span class='op'>|</span> <span class='string'>&quot;APRIL&quot;</span> <span class='op'>=&gt;</span> <span class='number'>3</span>,
+ <span class='string'>&quot;MAY&quot;</span> <span class='op'>=&gt;</span> <span class='number'>4</span>,
+ <span class='string'>&quot;JUN&quot;</span> <span class='op'>|</span> <span class='string'>&quot;JUNE&quot;</span> <span class='op'>=&gt;</span> <span class='number'>5</span>,
+ <span class='string'>&quot;JUL&quot;</span> <span class='op'>|</span> <span class='string'>&quot;JULY&quot;</span> <span class='op'>=&gt;</span> <span class='number'>6</span>,
+ <span class='string'>&quot;AUG&quot;</span> <span class='op'>|</span> <span class='string'>&quot;AUGUST&quot;</span> <span class='op'>=&gt;</span> <span class='number'>7</span>,
+ <span class='string'>&quot;SEP&quot;</span> <span class='op'>|</span> <span class='string'>&quot;SEPTEMBER&quot;</span> <span class='op'>=&gt;</span> <span class='number'>8</span>,
+ <span class='string'>&quot;OCT&quot;</span> <span class='op'>|</span> <span class='string'>&quot;OCTOBER&quot;</span> <span class='op'>=&gt;</span> <span class='number'>9</span>,
+ <span class='string'>&quot;NOV&quot;</span> <span class='op'>|</span> <span class='string'>&quot;NOVEMBER&quot;</span> <span class='op'>=&gt;</span> <span class='number'>10</span>,
+ <span class='string'>&quot;DEC&quot;</span> <span class='op'>|</span> <span class='string'>&quot;DECEMBER&quot;</span> <span class='op'>=&gt;</span> <span class='number'>11</span>,
+ _ <span class='op'>=&gt;</span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='string'>&quot;Unrecognized month&quot;</span>),
+ };
+ <span class='ident'>state</span> <span class='op'>=</span> <span class='ident'>DateParseState</span>::<span class='ident'>Year</span>;
+ <span class='kw'>continue</span>;
+ }
+ <span class='ident'>DateParseState</span>::<span class='ident'>Year</span> <span class='op'>=&gt;</span> {
+ <span class='kw'>let</span> <span class='ident'>year</span> <span class='op'>=</span> <span class='kw'>match</span> <span class='ident'>tok</span>.<span class='ident'>parse</span>::<span class='op'>&lt;</span><span class='ident'>u32</span><span class='op'>&gt;</span>() {
+ <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) <span class='kw'>if</span> <span class='ident'>v</span> <span class='op'>&lt;</span> <span class='number'>70</span> <span class='op'>=&gt;</span> <span class='number'>2000</span> <span class='op'>+</span> <span class='ident'>v</span>,
+ <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) <span class='kw'>if</span> <span class='ident'>v</span> <span class='op'>&lt;</span> <span class='number'>100</span> <span class='op'>=&gt;</span> <span class='number'>1900</span> <span class='op'>+</span> <span class='ident'>v</span>,
+ <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) <span class='kw'>if</span> <span class='ident'>v</span> <span class='op'>&lt;</span> <span class='number'>1970</span> <span class='op'>=&gt;</span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='string'>&quot;Disallowed year&quot;</span>),
+ <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) <span class='op'>=&gt;</span> <span class='ident'>v</span>,
+ <span class='prelude-val'>Err</span>(_) <span class='op'>=&gt;</span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='string'>&quot;Invalid year&quot;</span>),
+ };
+ <span class='ident'>result</span> <span class='op'>=</span> <span class='ident'>seconds_to_date</span>(<span class='ident'>year</span> <span class='kw'>as</span> <span class='ident'>i64</span>, <span class='ident'>month</span> <span class='kw'>as</span> <span class='ident'>i64</span>, <span class='ident'>day_of_month</span> <span class='kw'>as</span> <span class='ident'>i64</span>);
+ <span class='ident'>state</span> <span class='op'>=</span> <span class='ident'>DateParseState</span>::<span class='ident'>Hour</span>;
+ <span class='kw'>continue</span>;
+ }
+ <span class='ident'>DateParseState</span>::<span class='ident'>Hour</span> <span class='op'>=&gt;</span> {
+ <span class='kw'>let</span> <span class='ident'>hour</span> <span class='op'>=</span> <span class='kw'>match</span> <span class='ident'>tok</span>.<span class='ident'>parse</span>::<span class='op'>&lt;</span><span class='ident'>u8</span><span class='op'>&gt;</span>() {
+ <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) <span class='op'>=&gt;</span> <span class='ident'>v</span>,
+ <span class='prelude-val'>Err</span>(_) <span class='op'>=&gt;</span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='string'>&quot;Invalid hour&quot;</span>),
+ };
+ <span class='ident'>result</span> <span class='op'>+=</span> <span class='number'>3600</span> <span class='op'>*</span> (<span class='ident'>hour</span> <span class='kw'>as</span> <span class='ident'>i64</span>);
+ <span class='ident'>state</span> <span class='op'>=</span> <span class='ident'>DateParseState</span>::<span class='ident'>Minute</span>;
+ <span class='kw'>continue</span>;
+ }
+ <span class='ident'>DateParseState</span>::<span class='ident'>Minute</span> <span class='op'>=&gt;</span> {
+ <span class='kw'>let</span> <span class='ident'>minute</span> <span class='op'>=</span> <span class='kw'>match</span> <span class='ident'>tok</span>.<span class='ident'>parse</span>::<span class='op'>&lt;</span><span class='ident'>u8</span><span class='op'>&gt;</span>() {
+ <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) <span class='op'>=&gt;</span> <span class='ident'>v</span>,
+ <span class='prelude-val'>Err</span>(_) <span class='op'>=&gt;</span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='string'>&quot;Invalid minute&quot;</span>),
+ };
+ <span class='ident'>result</span> <span class='op'>+=</span> <span class='number'>60</span> <span class='op'>*</span> (<span class='ident'>minute</span> <span class='kw'>as</span> <span class='ident'>i64</span>);
+ <span class='ident'>state</span> <span class='op'>=</span> <span class='ident'>DateParseState</span>::<span class='ident'>Second</span>;
+ <span class='kw'>continue</span>;
+ }
+ <span class='ident'>DateParseState</span>::<span class='ident'>Second</span> <span class='op'>=&gt;</span> {
+ <span class='kw'>let</span> <span class='ident'>second</span> <span class='op'>=</span> <span class='kw'>match</span> <span class='ident'>tok</span>.<span class='ident'>parse</span>::<span class='op'>&lt;</span><span class='ident'>u8</span><span class='op'>&gt;</span>() {
+ <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) <span class='op'>=&gt;</span> <span class='ident'>v</span>,
+ <span class='prelude-val'>Err</span>(_) <span class='op'>=&gt;</span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='string'>&quot;Invalid second&quot;</span>),
+ };
+ <span class='ident'>result</span> <span class='op'>+=</span> <span class='ident'>second</span> <span class='kw'>as</span> <span class='ident'>i64</span>;
+ <span class='ident'>state</span> <span class='op'>=</span> <span class='ident'>DateParseState</span>::<span class='ident'>Timezone</span>;
+ <span class='kw'>continue</span>;
+ }
+ <span class='ident'>DateParseState</span>::<span class='ident'>Timezone</span> <span class='op'>=&gt;</span> {
+ <span class='kw'>let</span> (<span class='ident'>tz</span>, <span class='ident'>tz_sign</span>) <span class='op'>=</span> <span class='kw'>match</span> <span class='ident'>tok</span>.<span class='ident'>parse</span>::<span class='op'>&lt;</span><span class='ident'>i32</span><span class='op'>&gt;</span>() {
+ <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) <span class='kw'>if</span> <span class='ident'>v</span> <span class='op'>&lt;</span> <span class='number'>0</span> <span class='op'>=&gt;</span> (<span class='op'>-</span><span class='ident'>v</span>, <span class='op'>-</span><span class='number'>1</span>),
+ <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) <span class='op'>=&gt;</span> (<span class='ident'>v</span>, <span class='number'>1</span>),
+ <span class='prelude-val'>Err</span>(_) <span class='op'>=&gt;</span> {
+ <span class='kw'>match</span> <span class='ident'>tok</span>.<span class='ident'>to_uppercase</span>().<span class='ident'>as_str</span>() {
+ <span class='comment'>// This list taken from IETF RFC 822</span>
+ <span class='string'>&quot;UTC&quot;</span> <span class='op'>|</span> <span class='string'>&quot;UT&quot;</span> <span class='op'>|</span> <span class='string'>&quot;GMT&quot;</span> <span class='op'>|</span> <span class='string'>&quot;Z&quot;</span> <span class='op'>=&gt;</span> (<span class='number'>0</span>, <span class='number'>1</span>),
+ <span class='string'>&quot;EDT&quot;</span> <span class='op'>=&gt;</span> (<span class='number'>400</span>, <span class='op'>-</span><span class='number'>1</span>),
+ <span class='string'>&quot;EST&quot;</span> <span class='op'>|</span> <span class='string'>&quot;CDT&quot;</span> <span class='op'>=&gt;</span> (<span class='number'>500</span>, <span class='op'>-</span><span class='number'>1</span>),
+ <span class='string'>&quot;CST&quot;</span> <span class='op'>|</span> <span class='string'>&quot;MDT&quot;</span> <span class='op'>=&gt;</span> (<span class='number'>600</span>, <span class='op'>-</span><span class='number'>1</span>),
+ <span class='string'>&quot;MST&quot;</span> <span class='op'>|</span> <span class='string'>&quot;PDT&quot;</span> <span class='op'>=&gt;</span> (<span class='number'>700</span>, <span class='op'>-</span><span class='number'>1</span>),
+ <span class='string'>&quot;PST&quot;</span> <span class='op'>=&gt;</span> (<span class='number'>800</span>, <span class='op'>-</span><span class='number'>1</span>),
+ <span class='string'>&quot;A&quot;</span> <span class='op'>=&gt;</span> (<span class='number'>100</span>, <span class='op'>-</span><span class='number'>1</span>),
+ <span class='string'>&quot;M&quot;</span> <span class='op'>=&gt;</span> (<span class='number'>1200</span>, <span class='op'>-</span><span class='number'>1</span>),
+ <span class='string'>&quot;N&quot;</span> <span class='op'>=&gt;</span> (<span class='number'>100</span>, <span class='number'>1</span>),
+ <span class='string'>&quot;Y&quot;</span> <span class='op'>=&gt;</span> (<span class='number'>1200</span>, <span class='number'>1</span>),
+ _ <span class='op'>=&gt;</span> <span class='kw'>return</span> <span class='prelude-val'>Err</span>(<span class='string'>&quot;Invalid timezone&quot;</span>),
+ }
+ }
+ };
+ <span class='kw'>let</span> <span class='ident'>tz_hours</span> <span class='op'>=</span> <span class='ident'>tz</span> <span class='op'>/</span> <span class='number'>100</span>;
+ <span class='kw'>let</span> <span class='ident'>tz_mins</span> <span class='op'>=</span> <span class='ident'>tz</span> <span class='op'>%</span> <span class='number'>100</span>;
+ <span class='kw'>let</span> <span class='ident'>tz_delta</span> <span class='op'>=</span> (<span class='ident'>tz_hours</span> <span class='op'>*</span> <span class='number'>3600</span>) <span class='op'>+</span> (<span class='ident'>tz_mins</span> <span class='op'>*</span> <span class='number'>60</span>);
+ <span class='kw'>if</span> <span class='ident'>tz_sign</span> <span class='op'>&lt;</span> <span class='number'>0</span> {
+ <span class='ident'>result</span> <span class='op'>+=</span> <span class='ident'>tz_delta</span> <span class='kw'>as</span> <span class='ident'>i64</span>;
+ } <span class='kw'>else</span> {
+ <span class='ident'>result</span> <span class='op'>-=</span> <span class='ident'>tz_delta</span> <span class='kw'>as</span> <span class='ident'>i64</span>;
+ }
+ <span class='kw'>break</span>;
+ }
+ }
+ }
+ <span class='prelude-val'>Ok</span>(<span class='ident'>result</span>)
+}
+
+<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>test</span>)]</span>
+<span class='kw'>mod</span> <span class='ident'>tests</span> {
+ <span class='kw'>use</span> <span class='ident'>super</span>::<span class='op'>*</span>;
+
+ <span class='attribute'>#[<span class='ident'>test</span>]</span>
+ <span class='kw'>fn</span> <span class='ident'>parse_dates</span>() {
+ <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>dateparse</span>(<span class='string'>&quot;Sun, 25 Sep 2016 18:36:33 -0400&quot;</span>).<span class='ident'>unwrap</span>(),
+ <span class='number'>1474842993</span>);
+ <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>dateparse</span>(<span class='string'>&quot;Fri, 01 Jan 2100 11:12:13 +0000&quot;</span>).<span class='ident'>unwrap</span>(),
+ <span class='number'>4102485133</span>);
+ <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>dateparse</span>(<span class='string'>&quot;Fri, 31 Dec 2100 00:00:00 +0000&quot;</span>).<span class='ident'>unwrap</span>(),
+ <span class='number'>4133894400</span>);
+ <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>dateparse</span>(<span class='string'>&quot;Fri, 31 Dec 2399 00:00:00 +0000&quot;</span>).<span class='ident'>unwrap</span>(),
+ <span class='number'>13569379200</span>);
+ <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>dateparse</span>(<span class='string'>&quot;Fri, 31 Dec 2400 00:00:00 +0000&quot;</span>).<span class='ident'>unwrap</span>(),
+ <span class='number'>13601001600</span>);
+ <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>dateparse</span>(<span class='string'>&quot;17 Sep 2016 16:05:38 -1000&quot;</span>).<span class='ident'>unwrap</span>(), <span class='number'>1474164338</span>);
+ <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>dateparse</span>(<span class='string'>&quot;Fri, 30 Nov 2012 20:57:23 GMT&quot;</span>).<span class='ident'>unwrap</span>(),
+ <span class='number'>1354309043</span>);
+ }
+}
+</pre>
+</section>
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