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array::front

Accesses the first element.

reference front();
const_reference front() const;

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

 

// std_tr1__array__array_front.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 first element " 0" 
    std::cout << " " << c0.front(); 
    std::cout << std::endl; 
 
    return (0); 
    } 
 
 0 1 2 3
 0

Header: <array>

Namespace: std

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