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| <TITLE>Overview</TITLE> |
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| <A HREF="18.html"><IMG SRC="images/bprev.gif" WIDTH=20 HEIGHT=21 ALT="Previous file" BORDER=O></A><A HREF="noframes.html"><IMG SRC="images/btop.gif" WIDTH=56 HEIGHT=21 ALT="Top of Document" BORDER=O></A><A HREF="booktoc.html"><IMG SRC="images/btoc.gif" WIDTH=56 HEIGHT=21 ALT="Contents" BORDER=O></A><A HREF="tindex.html"><IMG SRC="images/bindex.gif" WIDTH=56 HEIGHT=21 ALT="Index page" BORDER=O></A><A HREF="18-2.html"><IMG SRC="images/bnext.gif" WIDTH=25 HEIGHT=21 ALT="Next file" BORDER=O></A><DIV CLASS="DOCUMENTNAME"><B>Apache C++ Standard Library User's Guide</B></DIV> |
| <H2>18.1 Overview</H2> |
| <A NAME="idx420"><!></A> |
| <P>The C++ Standard Library provides a set of classes for reporting errors. These classes use the exception handling facility of the language. The library implements a particular error model, which divides errors in two broad categories: <I>logic errors</I> and <I>runtime errors</I>.</P> |
| <A NAME="idx421"><!></A> |
| <P><I>Logic errors</I> are errors caused by problems in the internal logic of the program. They are generally preventable.</P> |
| <A NAME="idx422"><!></A> |
| <P><I>Runtime errors</I>, on the other hand, are generally not preventable, or at least not predictable. These are errors generated by circumstances outside the control of the program, such as peripheral hardware faults.</P> |
| <A NAME="1811"><H3>18.1.1 Include Files</H3></A> |
| <A NAME="idx423"><!></A> |
| <P>Programs that use the exception handling classes must include the following header file:</P> |
| |
| <UL><PRE> |
| #include <stdexcept> |
| </PRE></UL> |
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