yeqm_的博客

2-0.编写一个一元元函数 add_const_ref,如果T是一个引用类型，就返回T，否则返回T const&。编写一个程序来测试你的元函数。提示：可以使用boost::is_same来测试结果。boost::add_const 对引用没有效果。。#ifndef ITER_SWAP_H#define ITER_SWAP_H#include#include#include#in

3-0templatestruct cal{ BOOST_STATIC_ASSERT((N%10>=0)); BOOST_STATIC_ASSERT((N%10<2)); static const int val = 2*cal::val+N%10;};template<>struct cal{ static const int val = 0;};3-1，3-2

4-0using namespace std;using namespace boost;using namespace mpl::placeholders;templatestruct is_a{ static const bool value = 0;};templatestruct is_b{ static const bool value = boost::i

//6-0template<bool,class T1,class T2>struct T1smallest{ typedef T1 type;};template<class T1,class T2>struct T1smallest<false,T1,T2>{ typedef T2 type;};template<class T1,class T2>struct T

“` 5-1 //5-1 template

9-0#ifdef NO_MI_EBOtemplateclass storage;templateclass storage_imp:private T{protected:public: storage_imp(T const& t):T(t){} T const& get_t(){return *this;}};templateclass storage:public