array::front
Accesses the first element.
reference front();
const_reference front() const;
Remarks
The member functions return a reference to the first element of the controlled sequence, which must be non-empty.
Example
// 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
Requirements
Header: <array>
Namespace: std