std::list(remove() and remove_if())

// remove from list
//删除该列表里面所有满足条件的值
#include <iostream>
#include <list>
int main ()
{
int myints[]= {17,89,7,14};
std::list<int> mylist (myints,myints+4);


mylist.remove(89);


std::cout << "mylist contains:";
for (std::list<int>::iterator it=mylist.begin(); it!=mylist.end(); ++it)
std::cout << ' ' << *it;
std::cout << '\n';
system("pause");
return 0;

}

// list::remove_if
// 删除函数参数返回true的值
#include <iostream>
#include <list>


// a predicate implemented as a function:
bool single_digit (const int& value) { return (value<10); }


// a predicate implemented as a class:
struct is_odd {
bool operator() (const int& value) { return (value%2)==1; }
};


int main ()
{
int myints[]= {15,36,7,17,20,39,4,1};
std::list<int> mylist (myints,myints+8);   // 15 36 7 17 20 39 4 1


mylist.remove_if (single_digit);           // 15 36 17 20 39   该调用相当于传入函数地址


mylist.remove_if (is_odd());               // 36 20


std::cout << "mylist contains:";
for (std::list<int>::iterator it=mylist.begin(); it!=mylist.end(); ++it)
std::cout << ' ' << *it;
std::cout << '\n';


return 0;
}