CharT& back(); | (since C++11) | |
const CharT& back() const; | (since C++11) |
Returns reference to the last character in the string. The behavior is undefined if empty() == true.
Parameters
(none).
Return value
reference to the last character, equivalent to operator[](size() - 1).
Complexity
Constant.
Example
#include <iostream>
#include <string>
int main()
{
{
std::string s("Exemplary");
char& back = s.back();
back = 's';
std::cout << s << '\n'; // "Exemplars"
}
{
std::string const c("Exemplary");
char const& back = c.back();
std::cout << back << '\n'; // 'y'
}
}Output:
Exemplars y
See also
| (C++11) | accesses the first character (public member function) |
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