C++字符串按照指定规则切割的功能模板类，常用的一段检测记录运行时间的代码

template <typename T>

struct vector_split

{

typedef typename std::vector<T>::iterator its;

void operator()(std::vector<T>& data,std::vector<T>& seprate,std::vector<its>& result)

{

std::vector<int> ab;

its ini;

result.clear();

its i=data.begin(),itend=data.end();

its first=ini,second=ini;

its aim_f =seprate.begin(),aim_e=seprate.end();

while(i!=itend)

{

while(i!=itend &&

(std::find_if(aim_f, aim_e, [&](const T& T_va){return T_va == *i;})!=aim_e)

) ++i;

first=i;

while(i!=itend &&

(std::find_if(aim_f, aim_e, [&](const T& T_va){return T_va == *i;})==aim_e)

) ++i;

second=--i;++i;

if(first!=ini && first !=itend){

result.push_back(first);

result.push_back(second);

first =ini;second=ini;

}

}

}

};

auto start = std::chrono::high_resolution_clock::now();

//耗时操作

auto stop = std::chrono::high_resolution_clock::now();

auto time_consume=stop-start;

std::cout<<j<<" computing time  :"<<time_consume.count()<<"mileseconds"<<std::endl;