core/com.nokia.carbide.cpp.compiler.doc.user/html/pragmas/p_warn_hiddenlocals.htm
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<h3>warn_hiddenlocals</h3>
<p> Controls the recognition of a local variable that hides another local variable.</p>
<h5>Syntax</h5>
<p class="code">#pragma warn_hiddenlocals on | off | reset
</p>
<h5>Targets</h5>
All platforms.<br />
<h5>Remarks</h5>
<p>When on, the compiler issues a warning when it encounters a local variable that hides another local variable. An example appears in Listing 10.36.</p>
<div class="listing">
<h4> Listing 10.36 Example of hidden local variables warning</h4>
<p>#pragma warn_hiddenlocals on</p>
<p>void foo(int a)<br />
{<br />
{<br />
int a;<br />
}<br />
} // generates a warning: object ’a’ hidden by<br />
// local declaration</p>
</div>
<p> This pragma does not correspond to any panel setting. To check this setting, use <span class="code">__option (warn_hiddenlocals)</span>, described in <a href="../symbols/sym_settings.htm">Checking Settings</a>. The default setting is <span class="code">off</span>.</p>
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