diff options
Diffstat (limited to 'doc/html/boost/xpressive/check.html')
| -rw-r--r-- | doc/html/boost/xpressive/check.html | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/html/boost/xpressive/check.html b/doc/html/boost/xpressive/check.html index cd5b4ce806..ff7799f6be 100644 --- a/doc/html/boost/xpressive/check.html +++ b/doc/html/boost/xpressive/check.html @@ -35,7 +35,7 @@ </span> <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">></span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <span class="identifier">check</span><span class="special">(</span><span class="identifier">T</span> <span class="keyword">const</span> <span class="special">&</span> t<span class="special">)</span><span class="special">;</span></pre></div> <div class="refsect1"> -<a name="idp538243280"></a><h2>Description</h2> +<a name="idm45555020019248"></a><h2>Description</h2> <p> A <a class="link" href="../../xpressive/user_s_guide.html#boost_xpressive.user_s_guide.semantic_actions_and_user_defined_assertions.user_defined_assertions">user-defined assertion</a> is a kind of semantic action that evaluates a Boolean lambda and, if it evaluates to false, causes the match to fail at that location in the string. This will cause backtracking, so the match may ultimately succeed.</p> <p>To use <code class="computeroutput">check()</code> to specify a user-defined assertion in a regex, use the following syntax:</p> |