Mega Code Archive
Transfer vector to a list and remove all negative numbers with bind2nd and less
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#include <algorithm>
#include <cmath>
#include <functional>
#include <iostream>
#include <list>
#include <numeric>
#include <vector>
using namespace std;
template <class T>
void print(T& c){
for( typename T::iterator i = c.begin(); i != c.end(); i++ ){
std::cout << *i << endl;
}
}
int main( )
{
const float a[] = { 1, -2.3, 4.5, -6.7, 8.9, 10.2};
// create and initialize vector with above data
vector<float> data( a,a + sizeof( a ) / sizeof( a[0] ) );
cout << "DATA VECTOR HAS " << data.size() << " ELEMENTS\n";
print( data );
// transfer to a list and remove all negative numbers
list<float> l( data.begin(), data.end() );
cout << "\nSize of list before calling remove_if: "<< l.size() << endl;
l.remove_if( bind2nd( less<float>(), 0 ) );
cout << "Size of list after calling remove_if: " << l.size() << endl;
print( l );
}
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