﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>C++博客-Batiliu程序家园-随笔分类-思考与感悟</title><link>http://www.cppblog.com/batiliu/category/8717.html</link><description /><language>zh-cn</language><lastBuildDate>Mon, 03 Nov 2008 13:43:23 GMT</lastBuildDate><pubDate>Mon, 03 Nov 2008 13:43:23 GMT</pubDate><ttl>60</ttl><item><title>泛型编程：源起、实现与意义</title><link>http://www.cppblog.com/batiliu/archive/2008/11/03/65879.html</link><dc:creator>Batiliu</dc:creator><author>Batiliu</author><pubDate>Mon, 03 Nov 2008 12:34:00 GMT</pubDate><guid>http://www.cppblog.com/batiliu/archive/2008/11/03/65879.html</guid><wfw:comment>http://www.cppblog.com/batiliu/comments/65879.html</wfw:comment><comments>http://www.cppblog.com/batiliu/archive/2008/11/03/65879.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cppblog.com/batiliu/comments/commentRss/65879.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/batiliu/services/trackbacks/65879.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 泛型编程（Generic Programming）最初提出时的动机很简单直接：发明一种语言机制，能够帮助实现一个通用的标准容器库。所谓通用的标准容器库，就是要能够做到，比如用一个List类存放所有可能类型的对象,这样的事情；熟悉一些其它面向对象的语言的人应该知道，如Java里面这是通过在List里面存放Object引用来实现的。Java的单根继承在这里起到了关键的作用。然而单根继承对C++这样的处在语言链底层的语言却是不能承受之重。此外使用单根继承来实现通用容器也会带来效率和类型安全方面的问题，两者都与C++的理念不相吻合。&nbsp;&nbsp;<a href='http://www.cppblog.com/batiliu/archive/2008/11/03/65879.html'>阅读全文</a><img src ="http://www.cppblog.com/batiliu/aggbug/65879.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/batiliu/" target="_blank">Batiliu</a> 2008-11-03 20:34 <a href="http://www.cppblog.com/batiliu/archive/2008/11/03/65879.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>为什么C++</title><link>http://www.cppblog.com/batiliu/archive/2008/11/03/65878.html</link><dc:creator>Batiliu</dc:creator><author>Batiliu</author><pubDate>Mon, 03 Nov 2008 12:32:00 GMT</pubDate><guid>http://www.cppblog.com/batiliu/archive/2008/11/03/65878.html</guid><wfw:comment>http://www.cppblog.com/batiliu/comments/65878.html</wfw:comment><comments>http://www.cppblog.com/batiliu/archive/2008/11/03/65878.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cppblog.com/batiliu/comments/commentRss/65878.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/batiliu/services/trackbacks/65878.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 为什么用C++呢? 在你皱着眉头离开之前，试着回答这个简单的问题。效率，是么？人人都知道这个。但情况是，当一个人开始讨论编程语言或与其相关的话题时，他必须要非常明确而有针对性。为什么呢？我来问你另一个问题：如果效率是人们使用C++的唯一理由，那么为啥不直接用C呢？C被认为比C++效率更高（嗯嗯，我知道C没有比C++的效率高多少，所以这里别误解我的意思，因为即使它们二者效率相同，刚才的问题依然存在）。 &nbsp;&nbsp;<a href='http://www.cppblog.com/batiliu/archive/2008/11/03/65878.html'>阅读全文</a><img src ="http://www.cppblog.com/batiliu/aggbug/65878.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/batiliu/" target="_blank">Batiliu</a> 2008-11-03 20:32 <a href="http://www.cppblog.com/batiliu/archive/2008/11/03/65878.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>