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<li class="navelem"><b>KJS</b> </li>
<li class="navelem"><a class="el" href="classKJS_1_1Value.html">Value</a> </li>
</ul>
</div>
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<div class="header">
<div class="summary">
<a href="#pub-methods">Public Member Functions</a> |
<a href="#pro-attribs">Protected Attributes</a> </div>
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<div class="title">KJS::Value Class Reference</div> </div>
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<!-- doxytag: class="KJS::Value" -->
<p><a class="el" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> objects are act as wrappers ("smart pointers") around <a class="el" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> objects and their descendents.
<a href="classKJS_1_1Value.html#details">More...</a></p>
<p><code>#include <<a class="el" href="value_8h_source.html">value.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for KJS::Value:</div>
<div class="dyncontent">
<div class="center">
<img src="classKJS_1_1Value.png" usemap="#KJS::Value_map" alt=""/>
<map id="KJS::Value_map" name="KJS::Value_map">
<area href="classKJS_1_1Boolean.html" title="Represents an primitive Boolean value." alt="KJS::Boolean" shape="rect" coords="113,56,216,80"/>
<area href="classKJS_1_1Completion.html" title="Completion objects are used to convey the return status and value from functions." alt="KJS::Completion" shape="rect" coords="113,112,216,136"/>
<area href="classKJS_1_1Null.html" title="Represents an primitive Null value." alt="KJS::Null" shape="rect" coords="113,168,216,192"/>
<area href="classKJS_1_1Number.html" title="Represents an primitive Number value." alt="KJS::Number" shape="rect" coords="113,224,216,248"/>
<area href="classKJS_1_1Object.html" title="Represents an Object." alt="KJS::Object" shape="rect" coords="113,280,216,304"/>
<area href="classKJS_1_1Reference.html" title="Defines a Javascript reference." alt="KJS::Reference" shape="rect" coords="113,336,216,360"/>
<area href="classKJS_1_1String.html" title="Represents an primitive String value." alt="KJS::String" shape="rect" coords="113,392,216,416"/>
<area href="classKJS_1_1Undefined.html" title="Represents an primitive Undefined value." alt="KJS::Undefined" shape="rect" coords="113,448,216,472"/>
</map>
</div></div>
<p><a href="classKJS_1_1Value-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2722fabcf196767c9ca28a2d8b3b00db"></a><!-- doxytag: member="KJS::Value::Value" ref="a2722fabcf196767c9ca28a2d8b3b00db" args="(ValueImp *v)" -->
 </td><td class="memItemRight" valign="bottom"><b>Value</b> (<a class="el" href="classKJS_1_1ValueImp.html">ValueImp</a> *v)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa1df1a7ba0152633e2dfbe7018f5d347"></a><!-- doxytag: member="KJS::Value::Value" ref="aa1df1a7ba0152633e2dfbe7018f5d347" args="(const Value &v)" -->
 </td><td class="memItemRight" valign="bottom"><b>Value</b> (const <a class="el" href="classKJS_1_1Value.html">Value</a> &v)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a74041a01eb678ed13dbaca624a2482e3"></a><!-- doxytag: member="KJS::Value::operator=" ref="a74041a01eb678ed13dbaca624a2482e3" args="(const Value &v)" -->
<a class="el" href="classKJS_1_1Value.html">Value</a> & </td><td class="memItemRight" valign="bottom"><b>operator=</b> (const <a class="el" href="classKJS_1_1Value.html">Value</a> &v)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classKJS_1_1Value.html#acd8509ab6b7622c16fdf021803fdd2cb">isValid</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classKJS_1_1Value.html#a1a8b47540a1c5dc0025f111a2c2031b4">isNull</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4104c41e4ea37bf747e4a47501a63963"></a><!-- doxytag: member="KJS::Value::imp" ref="a4104c41e4ea37bf747e4a47501a63963" args="() const " -->
<a class="el" href="classKJS_1_1ValueImp.html">ValueImp</a> * </td><td class="memItemRight" valign="bottom"><b>imp</b> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">Type </td><td class="memItemRight" valign="bottom"><a class="el" href="classKJS_1_1Value.html#ae452f07da93d3888448158e634d71657">type</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classKJS_1_1Value.html#a1704785fc8140c274b0e7ec03eb0dfe2">isA</a> (Type t) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classKJS_1_1Value.html">Value</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classKJS_1_1Value.html#a6a2cd9a2183172e1166cf1799961383b">toPrimitive</a> (<a class="el" href="classKJS_1_1ExecState.html">ExecState</a> *exec, Type preferredType=UnspecifiedType) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classKJS_1_1Value.html#abdcb3fc1afee9326af85eec35592f0b8">toBoolean</a> (<a class="el" href="classKJS_1_1ExecState.html">ExecState</a> *exec) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">double </td><td class="memItemRight" valign="bottom"><a class="el" href="classKJS_1_1Value.html#abc006ad65a05568bbebe2c63604766b8">toNumber</a> (<a class="el" href="classKJS_1_1ExecState.html">ExecState</a> *exec) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classKJS_1_1Value.html#ac08ef408068ef1a9018559079ad3022e">toInteger</a> (<a class="el" href="classKJS_1_1ExecState.html">ExecState</a> *exec) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classKJS_1_1Value.html#aa116929fe115defe059fc6e0ddf0d362">toInt32</a> (<a class="el" href="classKJS_1_1ExecState.html">ExecState</a> *exec) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="classKJS_1_1Value.html#a6aee2e9f36bd37afdfb2f0678f8cf69e">toUInt32</a> (<a class="el" href="classKJS_1_1ExecState.html">ExecState</a> *exec) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned short </td><td class="memItemRight" valign="bottom"><a class="el" href="classKJS_1_1Value.html#ac7528ce04145335fe32f02d421de36e4">toUInt16</a> (<a class="el" href="classKJS_1_1ExecState.html">ExecState</a> *exec) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classKJS_1_1UString.html">UString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classKJS_1_1Value.html#a8611b80d868cebf8dd4af2f966810874">toString</a> (<a class="el" href="classKJS_1_1ExecState.html">ExecState</a> *exec) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classKJS_1_1Object.html">Object</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classKJS_1_1Value.html#a072d956ce72fd1387bacb27dc466239d">toObject</a> (<a class="el" href="classKJS_1_1ExecState.html">ExecState</a> *exec) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classKJS_1_1Value.html#af2520c393d340da100f59fba8b67d288">toUInt32</a> (unsigned &i) const </td></tr>
<tr><td colspan="2"><h2><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aef1b807e2df87564494452ea2ae28fdf"></a><!-- doxytag: member="KJS::Value::rep" ref="aef1b807e2df87564494452ea2ae28fdf" args="" -->
<a class="el" href="classKJS_1_1ValueImp.html">ValueImp</a> * </td><td class="memItemRight" valign="bottom"><b>rep</b></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p><a class="el" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> objects are act as wrappers ("smart pointers") around <a class="el" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> objects and their descendents. </p>
<p>Instead of using ValueImps (and derivatives) during normal program execution, you should use a Value-derived class.</p>
<p><a class="el" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> maintains a pointer to a <a class="el" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> object and uses a reference counting scheme to ensure that the <a class="el" href="classKJS_1_1ValueImp.html" title="ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...">ValueImp</a> object is not deleted or garbage collected.</p>
<p>Note: The conversion operations all return values of various types - if an error occurs during conversion, an error object will instead be returned (where possible), and the execution state's exception will be set appropriately. </p>
<p>Definition at line <a class="el" href="value_8h_source.html#l00168">168</a> of file <a class="el" href="value_8h_source.html">value.h</a>.</p>
</div><hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a1704785fc8140c274b0e7ec03eb0dfe2"></a><!-- doxytag: member="KJS::Value::isA" ref="a1704785fc8140c274b0e7ec03eb0dfe2" args="(Type t) const " -->
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<td class="memname">bool KJS::Value::isA </td>
<td>(</td>
<td class="paramtype">Type </td>
<td class="paramname"><em>t</em></td><td>)</td>
<td> const<code> [inline]</code></td>
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<div class="memdoc">
<p>Checks whether or not the value is of a particular tpye. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">t</td><td>The type to compare with </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>true if the value is of the specified type, otherwise false </dd></dl>
<p>Definition at line <a class="el" href="value_8h_source.html#l00204">204</a> of file <a class="el" href="value_8h_source.html">value.h</a>.</p>
</div>
</div>
<a class="anchor" id="a1a8b47540a1c5dc0025f111a2c2031b4"></a><!-- doxytag: member="KJS::Value::isNull" ref="a1a8b47540a1c5dc0025f111a2c2031b4" args="() const " -->
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<td class="memname">bool KJS::Value::isNull </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const<code> [inline]</code></td>
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<div class="memdoc">
<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000001">Deprecated:</a></b></dt><dd>Use !isValid() instead.</dd></dl>
<p>Definition at line <a class="el" href="value_8h_source.html#l00187">187</a> of file <a class="el" href="value_8h_source.html">value.h</a>.</p>
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</div>
<a class="anchor" id="acd8509ab6b7622c16fdf021803fdd2cb"></a><!-- doxytag: member="KJS::Value::isValid" ref="acd8509ab6b7622c16fdf021803fdd2cb" args="() const " -->
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<td class="memname">bool KJS::Value::isValid </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const<code> [inline]</code></td>
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<div class="memdoc">
<p>Returns whether or not this is a valid value. </p>
<p>An invalid value has a 0 implementation pointer and should not be used for any other operation than this check. Current use: as a distinct return value signalling failing dynamicCast() calls. </p>
<p>Definition at line <a class="el" href="value_8h_source.html#l00182">182</a> of file <a class="el" href="value_8h_source.html">value.h</a>.</p>
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</div>
<a class="anchor" id="abdcb3fc1afee9326af85eec35592f0b8"></a><!-- doxytag: member="KJS::Value::toBoolean" ref="abdcb3fc1afee9326af85eec35592f0b8" args="(ExecState *exec) const " -->
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<td class="memname">bool KJS::Value::toBoolean </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classKJS_1_1ExecState.html">ExecState</a> * </td>
<td class="paramname"><em>exec</em></td><td>)</td>
<td> const<code> [inline]</code></td>
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<div class="memdoc">
<p>Performs the ToBoolean type conversion operation on this value (ECMA 9.2) </p>
<p>Definition at line <a class="el" href="value_8h_source.html#l00217">217</a> of file <a class="el" href="value_8h_source.html">value.h</a>.</p>
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<a class="anchor" id="aa116929fe115defe059fc6e0ddf0d362"></a><!-- doxytag: member="KJS::Value::toInt32" ref="aa116929fe115defe059fc6e0ddf0d362" args="(ExecState *exec) const " -->
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<td class="memname">int KJS::Value::toInt32 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classKJS_1_1ExecState.html">ExecState</a> * </td>
<td class="paramname"><em>exec</em></td><td>)</td>
<td> const<code> [inline]</code></td>
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<div class="memdoc">
<p>Performs the ToInt32 type conversion operation on this value (ECMA 9.5) </p>
<p>Definition at line <a class="el" href="value_8h_source.html#l00232">232</a> of file <a class="el" href="value_8h_source.html">value.h</a>.</p>
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<a class="anchor" id="ac08ef408068ef1a9018559079ad3022e"></a><!-- doxytag: member="KJS::Value::toInteger" ref="ac08ef408068ef1a9018559079ad3022e" args="(ExecState *exec) const " -->
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<td class="memname">int KJS::Value::toInteger </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classKJS_1_1ExecState.html">ExecState</a> * </td>
<td class="paramname"><em>exec</em></td><td>)</td>
<td> const<code> [inline]</code></td>
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<p>Performs the ToInteger type conversion operation on this value (ECMA 9.4) </p>
<p>Definition at line <a class="el" href="value_8h_source.html#l00227">227</a> of file <a class="el" href="value_8h_source.html">value.h</a>.</p>
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<a class="anchor" id="abc006ad65a05568bbebe2c63604766b8"></a><!-- doxytag: member="KJS::Value::toNumber" ref="abc006ad65a05568bbebe2c63604766b8" args="(ExecState *exec) const " -->
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<td class="memname">double KJS::Value::toNumber </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classKJS_1_1ExecState.html">ExecState</a> * </td>
<td class="paramname"><em>exec</em></td><td>)</td>
<td> const<code> [inline]</code></td>
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<p>Performs the ToNumber type conversion operation on this value (ECMA 9.3) </p>
<p>Definition at line <a class="el" href="value_8h_source.html#l00222">222</a> of file <a class="el" href="value_8h_source.html">value.h</a>.</p>
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<a class="anchor" id="a072d956ce72fd1387bacb27dc466239d"></a><!-- doxytag: member="KJS::Value::toObject" ref="a072d956ce72fd1387bacb27dc466239d" args="(ExecState *exec) const " -->
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<td class="memname"><a class="el" href="classKJS_1_1Object.html">Object</a> KJS::Value::toObject </td>
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<td class="paramtype"><a class="el" href="classKJS_1_1ExecState.html">ExecState</a> * </td>
<td class="paramname"><em>exec</em></td><td>)</td>
<td> const<code> [inline]</code></td>
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<p>Performs the ToObject type conversion operation on this value (ECMA 9.9) </p>
<p>Definition at line <a class="el" href="object_8h_source.html#l00359">359</a> of file <a class="el" href="object_8h_source.html">object.h</a>.</p>
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<a class="anchor" id="a6a2cd9a2183172e1166cf1799961383b"></a><!-- doxytag: member="KJS::Value::toPrimitive" ref="a6a2cd9a2183172e1166cf1799961383b" args="(ExecState *exec, Type preferredType=UnspecifiedType) const " -->
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<td class="memname"><a class="el" href="classKJS_1_1Value.html">Value</a> KJS::Value::toPrimitive </td>
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<td class="paramtype"><a class="el" href="classKJS_1_1ExecState.html">ExecState</a> * </td>
<td class="paramname"><em>exec</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">Type </td>
<td class="paramname"><em>preferredType</em> = <code>UnspecifiedType</code> </td>
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<td></td>
<td>)</td>
<td></td><td> const<code> [inline]</code></td>
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<p>Performs the ToPrimitive type conversion operation on this value (ECMA 9.1) </p>
<p>Definition at line <a class="el" href="value_8h_source.html#l00210">210</a> of file <a class="el" href="value_8h_source.html">value.h</a>.</p>
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<a class="anchor" id="a8611b80d868cebf8dd4af2f966810874"></a><!-- doxytag: member="KJS::Value::toString" ref="a8611b80d868cebf8dd4af2f966810874" args="(ExecState *exec) const " -->
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<td class="memname"><a class="el" href="classKJS_1_1UString.html">UString</a> KJS::Value::toString </td>
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<td class="paramtype"><a class="el" href="classKJS_1_1ExecState.html">ExecState</a> * </td>
<td class="paramname"><em>exec</em></td><td>)</td>
<td> const<code> [inline]</code></td>
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<p>Performs the ToString type conversion operation on this value (ECMA 9.8) </p>
<p>Definition at line <a class="el" href="value_8h_source.html#l00247">247</a> of file <a class="el" href="value_8h_source.html">value.h</a>.</p>
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<a class="anchor" id="ac7528ce04145335fe32f02d421de36e4"></a><!-- doxytag: member="KJS::Value::toUInt16" ref="ac7528ce04145335fe32f02d421de36e4" args="(ExecState *exec) const " -->
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<td class="memname">unsigned short KJS::Value::toUInt16 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classKJS_1_1ExecState.html">ExecState</a> * </td>
<td class="paramname"><em>exec</em></td><td>)</td>
<td> const<code> [inline]</code></td>
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<p>Performs the ToUInt16 type conversion operation on this value (ECMA 9.7) </p>
<p>Definition at line <a class="el" href="value_8h_source.html#l00242">242</a> of file <a class="el" href="value_8h_source.html">value.h</a>.</p>
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<a class="anchor" id="af2520c393d340da100f59fba8b67d288"></a><!-- doxytag: member="KJS::Value::toUInt32" ref="af2520c393d340da100f59fba8b67d288" args="(unsigned &i) const " -->
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<td class="memname">bool KJS::Value::toUInt32 </td>
<td>(</td>
<td class="paramtype">unsigned & </td>
<td class="paramname"><em>i</em></td><td>)</td>
<td> const<code> [inline]</code></td>
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<p>Checks if we can do a lossless conversion to UInt32. </p>
<p>Definition at line <a class="el" href="value_8h_source.html#l00257">257</a> of file <a class="el" href="value_8h_source.html">value.h</a>.</p>
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<a class="anchor" id="a6aee2e9f36bd37afdfb2f0678f8cf69e"></a><!-- doxytag: member="KJS::Value::toUInt32" ref="a6aee2e9f36bd37afdfb2f0678f8cf69e" args="(ExecState *exec) const " -->
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<td class="memname">unsigned int KJS::Value::toUInt32 </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classKJS_1_1ExecState.html">ExecState</a> * </td>
<td class="paramname"><em>exec</em></td><td>)</td>
<td> const<code> [inline]</code></td>
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<p>Performs the ToUInt32 type conversion operation on this value (ECMA 9.6) </p>
<p>Definition at line <a class="el" href="value_8h_source.html#l00237">237</a> of file <a class="el" href="value_8h_source.html">value.h</a>.</p>
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<a class="anchor" id="ae452f07da93d3888448158e634d71657"></a><!-- doxytag: member="KJS::Value::type" ref="ae452f07da93d3888448158e634d71657" args="() const " -->
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<td class="memname">Type KJS::Value::type </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const<code> [inline]</code></td>
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<p>Returns the type of value. </p>
<p>This is one of UndefinedType, NullType, BooleanType, StringType, NumberType, or ObjectType.</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>The type of value </dd></dl>
<p>Definition at line <a class="el" href="value_8h_source.html#l00196">196</a> of file <a class="el" href="value_8h_source.html">value.h</a>.</p>
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<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="value_8h_source.html">value.h</a></li>
<li><a class="el" href="object_8h_source.html">object.h</a></li>
<li><a class="el" href="value_8cpp_source.html">value.cpp</a></li>
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