std::basic_string<CharT,Traits,Allocator>::back
: cppreference.com
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CharT& back(); |
(C++11) (C++20) |
|
constexpr CharT& back(); |
(C++20) | |
const CharT& back() const; |
(C++11) (C++20) |
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constexpr const CharT& back() const; |
(C++20) | |
empty() == true
()
operator[](size() - 1)
Run this code
#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'
}
}
:
Exemplars
y
(C++11) |
() |