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<a href="#nested-classes">Classes</a> </div>
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<div class="title">Variant Data Types</div> </div>
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<p>The <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> classes deal with strongly typed variant data.
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Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1VariantBase.html">Glib::VariantBase</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">This is the base class for all <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> types. <a href="classGlib_1_1VariantBase.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1VariantStringBase.html">Glib::VariantStringBase</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Base class from which string variant classes derive. <a href="classGlib_1_1VariantStringBase.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1VariantContainerBase.html">Glib::VariantContainerBase</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">The base class for multiple-item Variants, such as Variants containing tuples or arrays, and also for maybe-typed (i.e. <a href="classGlib_1_1VariantContainerBase.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant.html">Glib::Variant< T ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Template class used for the specialization of the Variant<> classes. <a href="classGlib_1_1Variant.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01VariantBase_01_4.html">Glib::Variant< VariantBase ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> containing a <a class="el" href="classGlib_1_1VariantBase.html" title="This is the base class for all Variant types. ">VariantBase</a>. <a href="classGlib_1_1Variant_3_01VariantBase_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01Variant_3_01T_01_4_01_4.html">Glib::Variant< Variant< T > ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> containing a Variant<T>. <a href="classGlib_1_1Variant_3_01Variant_3_01T_01_4_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01Glib_1_1ustring_01_4.html">Glib::Variant< Glib::ustring ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> containing a <a class="el" href="classGlib_1_1ustring.html" title="Glib::ustring has much the same interface as std::string, but contains Unicode characters encoded as ...">Glib::ustring</a>, for variants of type string, object path, or signature. <a href="classGlib_1_1Variant_3_01Glib_1_1ustring_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01Glib_1_1DBusObjectPathString_01_4.html">Glib::Variant< Glib::DBusObjectPathString ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> containing a <a class="el" href="classGlib_1_1DBusObjectPathString.html" title="String class for D-Bus object paths in Glib::Variant. ">Glib::DBusObjectPathString</a>, for variants of type object path. <a href="classGlib_1_1Variant_3_01Glib_1_1DBusObjectPathString_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01Glib_1_1DBusSignatureString_01_4.html">Glib::Variant< Glib::DBusSignatureString ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> containing a <a class="el" href="classGlib_1_1DBusSignatureString.html" title="String class for D-Bus signatures in Glib::Variant. ">Glib::DBusSignatureString</a>, for variants of type signature. <a href="classGlib_1_1Variant_3_01Glib_1_1DBusSignatureString_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01std_1_1string_01_4.html">Glib::Variant< std::string ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> containing a <a class="elRef" doxygen="libstdc++.tag:http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/" href="http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a01681.html#ga32db3d9898c44d3b3a578b560f7758cc">std::string</a>, for variants of type bytestring, string, object path, or signature. <a href="classGlib_1_1Variant_3_01std_1_1string_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01std_1_1vector_3_01T_01_4_01_4.html">Glib::Variant< std::vector< T > ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> containing an array of items. <a href="classGlib_1_1Variant_3_01std_1_1vector_3_01T_01_4_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01std_1_1vector_3_01Glib_1_1ustring_01_4_01_4.html">Glib::Variant< std::vector< Glib::ustring > ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> containing an array of UTF-8 capable strings. <a href="classGlib_1_1Variant_3_01std_1_1vector_3_01Glib_1_1ustring_01_4_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01std_1_1vector_3_01Glib_1_1DBusObjectPathString_01_4_01_4.html">Glib::Variant< std::vector< Glib::DBusObjectPathString > ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> containing an array of D-Bus object paths. <a href="classGlib_1_1Variant_3_01std_1_1vector_3_01Glib_1_1DBusObjectPathString_01_4_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01std_1_1vector_3_01std_1_1string_01_4_01_4.html">Glib::Variant< std::vector< std::string > ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> containing an array of non-UTF-8 strings (byte string arrays). <a href="classGlib_1_1Variant_3_01std_1_1vector_3_01std_1_1string_01_4_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01std_1_1map_3_01K_00_01V_01_4_01_4.html">Glib::Variant< std::map< K, V > ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> containing a dictionary (a map of (key, value) elements). <a href="classGlib_1_1Variant_3_01std_1_1map_3_01K_00_01V_01_4_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01std_1_1tuple_3_01Types_8_8_8_01_4_01_4.html">Glib::Variant< std::tuple< Types... > ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> containing a tuple. <a href="classGlib_1_1Variant_3_01std_1_1tuple_3_01Types_8_8_8_01_4_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1VariantType.html">Glib::VariantType</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classGlib_1_1VariantType.html" title="VariantType - The VariantBase type system. ">VariantType</a> - The <a class="el" href="classGlib_1_1VariantBase.html" title="This is the base class for all Variant types. ">VariantBase</a> type system. <a href="classGlib_1_1VariantType.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01bool_01_4.html">Glib::Variant< bool ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Glib::Variant</a> containing a bool type. <a href="classGlib_1_1Variant_3_01bool_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01unsigned_01char_01_4.html">Glib::Variant< unsigned char ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Glib::Variant</a> containing a unsigned char type. <a href="classGlib_1_1Variant_3_01unsigned_01char_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01gint16_01_4.html">Glib::Variant< gint16 ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Glib::Variant</a> containing a gint16 type. <a href="classGlib_1_1Variant_3_01gint16_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01guint16_01_4.html">Glib::Variant< guint16 ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Glib::Variant</a> containing a guint16 type. <a href="classGlib_1_1Variant_3_01guint16_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01gint32_01_4.html">Glib::Variant< gint32 ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Glib::Variant</a> containing a gint32 type. <a href="classGlib_1_1Variant_3_01gint32_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01guint32_01_4.html">Glib::Variant< guint32 ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Glib::Variant</a> containing a guint32 type. <a href="classGlib_1_1Variant_3_01guint32_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01gint64_01_4.html">Glib::Variant< gint64 ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Glib::Variant</a> containing a gint64 type. <a href="classGlib_1_1Variant_3_01gint64_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01guint64_01_4.html">Glib::Variant< guint64 ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Glib::Variant</a> containing a guint64 type. <a href="classGlib_1_1Variant_3_01guint64_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1Variant_3_01double_01_4.html">Glib::Variant< double ></a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Specialization of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Glib::Variant</a> containing a double type. <a href="classGlib_1_1Variant_3_01double_01_4.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1DBusObjectPathString.html">Glib::DBusObjectPathString</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">String class for D-Bus object paths in <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Glib::Variant</a>. <a href="classGlib_1_1DBusObjectPathString.html#details">More...</a><br /></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class  </td><td class="memItemRight" valign="bottom"><a class="el" href="classGlib_1_1DBusSignatureString.html">Glib::DBusSignatureString</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">String class for D-Bus signatures in <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Glib::Variant</a>. <a href="classGlib_1_1DBusSignatureString.html#details">More...</a><br /></td></tr>
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</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>The <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> classes deal with strongly typed variant data. </p>
<p>A <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> stores a value along with information about the type of that value. The range of possible values is determined by the type. The type system used is <a class="el" href="classGlib_1_1VariantType.html" title="VariantType - The VariantBase type system. ">VariantType</a>.</p>
<p>See the <a class="el" href="classGlib_1_1VariantBase.html" title="This is the base class for all Variant types. ">VariantBase</a> class and its derived types, such as <a class="el" href="classGlib_1_1VariantContainerBase.html" title="The base class for multiple-item Variants, such as Variants containing tuples or arrays, and also for maybe-typed (i.e. ">VariantContainerBase</a>, and the Variant<> template type.</p>
<p><a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> instances always have a type and a value (which are given at construction time). The type and value of a <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> can never change other than by the <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> itself being destroyed. A <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> cannot contain a pointer.</p>
<p><a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> is heavily optimised for dealing with data in serialised form. It works particularly well with data located in memory-mapped files. It can perform nearly all deserialisation operations in a small constant time, usually touching only a single memory page. Serialised <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> data can also be sent over the network.</p>
<p><a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> is largely compatible with D-Bus. Almost all types of <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> instances can be sent over D-Bus. See <a class="el" href="classGlib_1_1VariantType.html" title="VariantType - The VariantBase type system. ">VariantType</a> for exceptions.</p>
<p>There is a Python-inspired text language for describing <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> values. <a class="el" href="classGlib_1_1Variant.html" title="Template class used for the specialization of the Variant<> classes. ">Variant</a> includes a printer for this language and a parser with type inferencing. </p>
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