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<HTML><HEAD><TITLE>The Standard Exception Hierarchy</TITLE></HEAD>
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<P>&copy;Copyright 1996 Rogue Wave Software</P>
<H2>The Standard Exception Hierarchy</H2>
<P>The library implements the two-category error model described above with a set of classes.  These classes are defined in the <SAMP>stdexcept</SAMP> header file.  They can be used to catch exceptions thrown by the library and to throw exceptions from your own code.</P>
<P>The classes are related through inheritance. The inheritance hierarchy looks like this:</P>
<PRE><A HREF="../stdref/exc_9785.htm"><B><I>exception</I></B></A>
    <B><I>logic_error</I></B>
       <B><I>domain_error</I></B>
      <B><I>invalid_argument</I></B>
      <B><I>length_error</I></B>
      <B><I>out_of_range</I></B>
   <B><I>runtime_error</I></B>
      <B><I>range_error</I></B>
      <B><I>overflow_error  </I></B></PRE>
<P>Classes <B><I>logic_error</I></B> and <B><I>runtime_error </I></B>inherit from class <A HREF="../stdref/exc_9785.htm"><B><I>exception</I></B></A>.  All other exception classes inherit from either <B><I>logic_error</I></B> or <B><I>runtime_error</I></B>.</P>
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