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| <div class="titlepage"><div><div><h4 class="title"> |
| <a name="boost_regex.ref.concepts.charT_concept"></a><a class="link" href="charT_concept.html" title="charT Requirements"> charT Requirements</a> |
| </h4></div></div></div> |
| <p> |
| Type <code class="computeroutput"><span class="identifier">charT</span></code> used a template |
| argument to class template <a class="link" href="../basic_regex.html" title="basic_regex"><code class="computeroutput"><span class="identifier">basic_regex</span></code></a>, must have a trivial |
| default constructor, copy constructor, assignment operator, and destructor. |
| In addition the following requirements must be met for objects; <span class="emphasis"><em>c</em></span> |
| of type <code class="computeroutput"><span class="identifier">charT</span></code>, <span class="emphasis"><em>c1</em></span> |
| and <span class="emphasis"><em>c2</em></span> of type <code class="computeroutput"><span class="identifier">charT</span> |
| <span class="keyword">const</span></code>, and <span class="emphasis"><em>i</em></span> |
| of type <code class="computeroutput"><span class="keyword">int</span></code>: |
| </p> |
| <div class="informaltable"><table class="table"> |
| <colgroup> |
| <col> |
| <col> |
| <col> |
| </colgroup> |
| <thead><tr> |
| <th> |
| <p> |
| Expression |
| </p> |
| </th> |
| <th> |
| <p> |
| Return type |
| </p> |
| </th> |
| <th> |
| <p> |
| Assertion / Note / Pre- / Post-condition |
| </p> |
| </th> |
| </tr></thead> |
| <tbody> |
| <tr> |
| <td> |
| <p> |
| charT c |
| </p> |
| </td> |
| <td> |
| <p> |
| charT |
| </p> |
| </td> |
| <td> |
| <p> |
| Default constructor (must be trivial). |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| charT c(c1) |
| </p> |
| </td> |
| <td> |
| <p> |
| charT |
| </p> |
| </td> |
| <td> |
| <p> |
| Copy constructor (must be trivial). |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| c1 = c2 |
| </p> |
| </td> |
| <td> |
| <p> |
| charT |
| </p> |
| </td> |
| <td> |
| <p> |
| Assignment operator (must be trivial). |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| c1 == c2 |
| </p> |
| </td> |
| <td> |
| <p> |
| bool |
| </p> |
| </td> |
| <td> |
| <p> |
| true if c1 has the same value as c2. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| c1 != c2 |
| </p> |
| </td> |
| <td> |
| <p> |
| bool |
| </p> |
| </td> |
| <td> |
| <p> |
| true if c1 and c2 are not equal. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| c1 < c2 |
| </p> |
| </td> |
| <td> |
| <p> |
| bool |
| </p> |
| </td> |
| <td> |
| <p> |
| true if the value of c1 is less than c2. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| c1 > c2 |
| </p> |
| </td> |
| <td> |
| <p> |
| bool |
| </p> |
| </td> |
| <td> |
| <p> |
| true if the value of c1 is greater than c2. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| c1 <= c2 |
| </p> |
| </td> |
| <td> |
| <p> |
| bool |
| </p> |
| </td> |
| <td> |
| <p> |
| true if c1 is less than or equal to c2. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| c1 >= c2 |
| </p> |
| </td> |
| <td> |
| <p> |
| bool |
| </p> |
| </td> |
| <td> |
| <p> |
| true if c1 is greater than or equal to c2. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| intmax_t i = c1 |
| </p> |
| </td> |
| <td> |
| <p> |
| int |
| </p> |
| </td> |
| <td> |
| <p> |
| charT must be convertible to an integral type. |
| </p> |
| <p> |
| Note: type charT is not required to support this operation, if |
| the traits class used supports the full Boost-specific interface, |
| rather than the minimal standardised-interface (see traits class |
| requirements below). |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| charT c(i); |
| </p> |
| </td> |
| <td> |
| <p> |
| charT |
| </p> |
| </td> |
| <td> |
| <p> |
| charT must be constructable from an integral type. |
| </p> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> |
| <td align="left"></td> |
| <td align="right"><div class="copyright-footer">Copyright © 1998 -2010 John Maddock<p> |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) |
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