<a name="boost.date_time.period_parserconstruct-copy-destruct"></a><code class="computeroutput">period_parser</code> 
        public
       construct/copy/destruct</h3>
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<pre class="literallayout"><a name="id-1_3_14_15_3_37_1_1_1_16-bb"></a><span class="identifier">period_parser</span><span class="special">(</span><span class="identifier">period_range_option</span> range_opt <span class="special">=</span> <span class="identifier