template<class T>
T make( T& value );
 
template<class U,class T>
T make( U& value );

An object or value of type T

Returns an object or value of type T from the given value using the copy constructor

vector<int> numbers;
...
// makes a vector of int from numbers (same type)
vector<int> v1 = map( numbers, make<int> );
 
// makes a vector of double from numbers (different type)
vector<double> v1 = map( numbers, make<int,double> );