std::basic_string::back
From cppreference.com
< cpp | string | basic string
CharT& back();
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(since C++11) | |
const CharT& back() const;
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(since C++11) | |
Returns reference to the last character in the string.
Contents |
[edit] Parameters
(none)
[edit] Return value
reference to the last character, equivalent to operator[](size() - 1).
[edit] Complexity
Constant
[edit] Notes
back
requires that empty() == false, otherwise the result is undefined.
[edit] Example
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' } }
Output:
Exemplars y
[edit] See also
(C++11)
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accesses the first character (public member function) |