bind的例子

#include<iostream>
#include<algorithm>
#include<string>
#include<vector>
#include<functional>
using namespace std;

bool check_size(vector<int>::size_type l,string s)
{
    return s.size()<l;
}
int main()
{
    vector<int> words={1,4,6,3,5,75,3,8,2,5,7,4};
    string str="888888998";
    auto v=find_if(words.begin(),words.end(),bind(check_size,std::placeholders::_1,str));
    cout<<*v<<endl;
    return 0;
}

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