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| <div class="titlepage"><div><div><h5 class="title"> |
| <a name="spirit.qi.quick_reference.qi_parsers.auxiliary"></a><a class="link" href="auxiliary.html" title="Auxiliary Parsers">Auxiliary |
| Parsers</a> |
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| <div class="informaltable"><table class="table"> |
| <colgroup> |
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| <thead><tr> |
| <th> |
| <p> |
| Expression |
| </p> |
| </th> |
| <th> |
| <p> |
| Attribute |
| </p> |
| </th> |
| <th> |
| <p> |
| Description |
| </p> |
| </th> |
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| <tbody> |
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| <td> |
| <p> |
| <a class="link" href="../../reference/auxiliary/eol.html" title="End of Line (eol)"><code class="computeroutput"><span class="identifier">eol</span></code></a> |
| </p> |
| </td> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">Unused</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Matches the end of line (<code class="computeroutput"><span class="special">\</span><span class="identifier">r</span></code> or <code class="computeroutput"><span class="special">\</span><span class="identifier">n</span></code> or <code class="computeroutput"><span class="special">\</span><span class="identifier">r</span><span class="special">\</span><span class="identifier">n</span></code>) |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <a class="link" href="../../reference/auxiliary/eoi.html" title="End of Input (eoi)"><code class="computeroutput"><span class="identifier">eoi</span></code></a> |
| </p> |
| </td> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">Unused</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Matches the end of input (first == last) |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <a class="link" href="../../reference/auxiliary/eps.html" title="Epsilon (eps)"><code class="computeroutput"><span class="identifier">eps</span></code></a> |
| </p> |
| </td> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">Unused</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Match an empty string |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <a class="link" href="../../reference/auxiliary/eps.html" title="Epsilon (eps)"><code class="computeroutput"><span class="identifier">eps</span></code></a><code class="computeroutput"><span class="special">(</span><span class="identifier">b</span><span class="special">)</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">Unused</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| If <code class="computeroutput"><span class="identifier">b</span></code> is true, |
| match an empty string |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <a class="link" href="../../reference/auxiliary/lazy.html" title="Lazy (lazy)"><code class="computeroutput"><span class="identifier">lazy</span></code></a><code class="computeroutput"><span class="special">(</span><span class="identifier">fp</span><span class="special">)</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Attribute of <code class="computeroutput"><span class="identifier">P</span></code> |
| where <code class="computeroutput"><span class="identifier">P</span></code> is |
| the return type of <code class="computeroutput"><span class="identifier">fp</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Invoke <code class="computeroutput"><span class="identifier">fp</span></code> at |
| parse time, returning a parser <code class="computeroutput"><span class="identifier">p</span></code> |
| which is then called to parse. |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">fp</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| see <code class="computeroutput"><span class="identifier">lazy</span><span class="special">(</span><span class="identifier">fp</span><span class="special">)</span></code> |
| above |
| </p> |
| </td> |
| <td> |
| <p> |
| Equivalent to <code class="computeroutput"><span class="identifier">lazy</span><span class="special">(</span><span class="identifier">fp</span><span class="special">)</span></code> |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| <a class="link" href="../../reference/auxiliary/attr.html" title="Attribute (attr)"><code class="computeroutput"><span class="identifier">attr</span><span class="special">(</span><span class="identifier">attrib</span><span class="special">)</span></code></a> |
| </p> |
| </td> |
| <td> |
| <p> |
| <code class="computeroutput"><span class="identifier">Attrib</span></code> |
| </p> |
| </td> |
| <td> |
| <p> |
| Doesn't consume/parse any input, but exposes the argument |
| <code class="computeroutput"><span class="identifier">attrib</span></code> as its |
| attribute. |
| </p> |
| </td> |
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| <td align="right"><div class="copyright-footer">Copyright © 2001-2010 Joel de Guzman, Hartmut Kaiser<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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