C++博客-Note of Justin-最新评论http://www.cppblog.com/note-of-justin/CommentsRSS.aspx关于工作和读书的笔记zh-cnTue, 15 Jun 2010 16:12:36 GMTTue, 15 Jun 2010 16:12:36 GMTcnblogsre: 读书笔记：Effective C++ 炒冷饭 - Item47 traits：类型信息榨取机http://www.cppblog.com/note-of-justin/archive/2010/05/12/115010.html#115226Justin.HJustin.HWed, 12 May 2010 13:31:00 GMThttp://www.cppblog.com/note-of-justin/archive/2010/05/12/115010.html#115226嗯，有道理。受教了。

Justin.H 2010-05-12 21:31 发表评论
]]>re: 读书笔记：Effective C++ 炒冷饭 - Item47 traits：类型信息榨取机http://www.cppblog.com/note-of-justin/archive/2010/05/12/115010.html#115220陈昱(CY)陈昱(CY)Wed, 12 May 2010 12:28:00 GMThttp://www.cppblog.com/note-of-justin/archive/2010/05/12/115010.html#115220

陈昱(CY) 2010-05-12 20:28 发表评论
]]>re: 读书笔记：Effective C++ 炒冷饭 - Item47 traits：类型信息榨取机http://www.cppblog.com/note-of-justin/archive/2010/05/12/115010.html#115217陈昱(CY)陈昱(CY)Wed, 12 May 2010 12:20:00 GMThttp://www.cppblog.com/note-of-justin/archive/2010/05/12/115010.html#115217
#include<iostream>
#include<string>
using namespace std;

struct Gooood{};
struct Baaaad{};

template<typename T>
class TasteFood
{
public:
static void Test()
{
cout<<"er...I don't know this smell,taste fail........"<<endl;
}
};

template<>
class TasteFood<Gooood>
{
public:
static void Test()
{
cout<<"this food tasted goooooooooood~~~~~"<<endl;
}
};

template<>
class TasteFood<Baaaad>
{
public:
static void Test()
{
cout<<"this food tasted baaaaaaad........."<<endl;
}
};

class Pizzzzzza
{
public:
typedef Gooood T_Tasted;
};
class FoodInSchool
{
public:
typedef Baaaad T_Tasted;
};

template<typename T>
void AfterEat(T&food)
{
TasteFood<typename T::T_Tasted>::Test();
}


int main()
{
Pizzzzzza food1;
FoodInSchool food2;

AfterEat(food1);
AfterEat(food2);

int a;
cin>>a;
return 0;
}

陈昱(CY) 2010-05-12 20:20 发表评论
]]>re: 读书笔记：Effective C++ 炒冷饭 - Item47 traits：类型信息榨取机http://www.cppblog.com/note-of-justin/archive/2010/05/12/115010.html#115215陈梓瀚(vczh)陈梓瀚(vczh)Wed, 12 May 2010 11:34:00 GMThttp://www.cppblog.com/note-of-justin/archive/2010/05/12/115010.html#115215因为你仅仅是需要得到那个类型，而不是得到那个类型的行为，所以不需要创建wasani的实例。因此Try也就不能要求用户传入一个实例了。因此直接传入类型。

陈梓瀚(vczh) 2010-05-12 19:34 发表评论
]]>re: 读书笔记：Effective C++ 炒冷饭 - Item47 traits：类型信息榨取机http://www.cppblog.com/note-of-justin/archive/2010/05/12/115010.html#115183Justin.HJustin.HWed, 12 May 2010 04:25:00 GMThttp://www.cppblog.com/note-of-justin/archive/2010/05/12/115010.html#115183

Justin.H 2010-05-12 12:25 发表评论
]]>re: 读书笔记：Effective C++ 炒冷饭 - Item47 traits：类型信息榨取机http://www.cppblog.com/note-of-justin/archive/2010/05/12/115010.html#115178陈梓瀚(vczh)陈梓瀚(vczh)Wed, 12 May 2010 03:59:00 GMThttp://www.cppblog.com/note-of-justin/archive/2010/05/12/115010.html#115178

陈梓瀚(vczh) 2010-05-12 11:59 发表评论
]]>re: 读书笔记：Effective C++ 炒冷饭 - Item 2 用const、enum和模板inline推翻#define的统治[未登录]http://www.cppblog.com/note-of-justin/archive/2010/05/12/103230.html#115175meglorymegloryWed, 12 May 2010 03:28:00 GMThttp://www.cppblog.com/note-of-justin/archive/2010/05/12/103230.html#115175很佩服能坚持写文章的人~

meglory 2010-05-12 11:28 发表评论
]]>re: 读书笔记：Effective C++ 炒冷饭 - Item 41&amp;42 模板概念若干http://www.cppblog.com/note-of-justin/archive/2010/05/03/109167.html#114234谢华谢华Mon, 03 May 2010 07:15:00 GMThttp://www.cppblog.com/note-of-justin/archive/2010/05/03/109167.html#114234

谢华 2010-05-03 15:15 发表评论
]]>re: Effective C++ 炒冷饭 - Item 26 尽可能推迟定义变量http://www.cppblog.com/note-of-justin/archive/2010/03/30/104340.html#111033kairoskairosTue, 30 Mar 2010 10:43:00 GMThttp://www.cppblog.com/note-of-justin/archive/2010/03/30/104340.html#111033

kairos 2010-03-30 18:43 发表评论
]]>re: 读书笔记：Effective C++ 炒冷饭 - Item 43 访问基类模板中的成员http://www.cppblog.com/note-of-justin/archive/2010/03/29/110398.html#110791萌萌萌萌Mon, 29 Mar 2010 01:59:00 GMThttp://www.cppblog.com/note-of-justin/archive/2010/03/29/110398.html#110791

萌萌 2010-03-29 09:59 发表评论
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