Compartilhar via


array::back

Accesses the last element.

reference back();
const_reference back() const;

Remarks

The member functions return a reference to the last element of the controlled sequence, which must be non-empty.

Example

 

// std__array__array_back.cpp 
// compile with: /EHsc 
#include <array> 
#include <iostream> 
 
typedef std::array<int, 4> Myarray; 
int main() 
    { 
    Myarray c0 = {0, 1, 2, 3}; 
 
// display contents " 0 1 2 3" 
    for (Myarray::const_iterator it = c0.begin(); 
        it != c0.end(); ++it) 
        std::cout << " " << *it; 
    std::cout << std::endl; 
 
// display last element " 3" 
    std::cout << " " << c0.back(); 
    std::cout << std::endl; 
 
    return (0); 
    } 
 
 0 1 2 3
 3

Requirements

Header: <array>

Namespace: std

See Also

Reference

<array>

array Class (TR1)

array::front

Other Resources

<array> Members