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<html><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><!--Converted with jLaTeX2HTML 2002 (1.62) JA patch-1.4patched version by: Kenshi Muto, Debian Project.LaTeX2HTML 2002 (1.62),original version by: Nikos Drakos, CBLU, University of Leeds* revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan* with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --><HTML><HEAD><TITLE>25.3 Miscellaneous</TITLE><META NAME="description" CONTENT="25.3 Miscellaneous"><META NAME="keywords" CONTENT="everything"><META NAME="resource-type" CONTENT="document"><META NAME="distribution" CONTENT="global"><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"><META NAME="Generator" CONTENT="jLaTeX2HTML v2002 JA patch-1.4"><META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css"><LINK REL="STYLESHEET" HREF="everything.css" tppabs="http://www.isi.edu/nsnam/ns/doc/everything.css"><LINK REL="previous" HREF="node283.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node283.html"><LINK REL="up" HREF="node281.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node281.html"><LINK REL="next" HREF="node285.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node285.html"></HEAD><BODY ><!--Navigation Panel--><A NAME="tex2html5637" HREF="node285.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node285.html"><IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="file:/usr/share/latex2html/icons/next.png"></A> <A NAME="tex2html5631" HREF="node281.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node281.html"><IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="file:/usr/share/latex2html/icons/up.png"></A> <A NAME="tex2html5627" HREF="node283.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node283.html"><IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="file:/usr/share/latex2html/icons/prev.png"></A> <A NAME="tex2html5633" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html"><IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="file:/usr/share/latex2html/icons/contents.png"></A> <A NAME="tex2html5635" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html"><IMG WIDTH="43" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="index" SRC="file:/usr/share/latex2html/icons/index.png"></A> <BR><B> Next:</B> <A NAME="tex2html5638" HREF="node285.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node285.html">4 Routing</A><B> Up:</B> <A NAME="tex2html5632" HREF="node281.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node281.html">25. ns Code Styles</A><B> Previous:</B> <A NAME="tex2html5628" HREF="node283.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node283.html">25.2 Variable Naming Conventions</A>   <B> <A NAME="tex2html5634" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html5636" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html">Index</A></B> <BR><BR><!--End of Navigation Panel--><H1><A NAME="SECTION04530000000000000000"></A><A NAME="sec:miscellaneous"></A><BR>25.3 Miscellaneous</H1><P><UL><LI>Avoid the use of C++ templates.Ns is supported on multiple platforms and templates are notvery portable and are often difficult to debug.Exception: This guideline has been relaxed for some imported code,but the core of ns should build and run without templates.<P></LI><LI>For NsObjects, use the debug_ instance variable to enable debugging functionality.This avoids repetitive definations of debug statements and allows debugging a particularNsobject without recompilation.<P>Example:To enable debugging in Queue object include the following statement in your tcl script.<PRE> Queue set debug_ true</PRE><P>Debugging statments can be inserted in the classes inheriting from Queue as follows:<P><PRE> debug("This is a debug statement %d",variable_to_debug);</PRE><P>All debugging statements are sent to stdout.<P></LI><LI>Error messages which cause the program to exit should be sent to stderr.All other messages should be sent to stdout</LI></UL><P><BR><HR><ADDRESS>2003-09-23</ADDRESS></BODY></HTML>⌨️ 快捷键说明
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