std::basic_string_view<CharT,Traits>::back
constexpr const_reference back() const; |
(since C++17) |
Returns reference to the last character in the view. 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 <string_view> #include <iostream> int main() { for (std::string_view str{"ABCDEF"}; !str.empty(); str.remove_suffix(1)) std::cout << str.back() << ' ' << str << '\n'; }
Output:
F ABCDEF E ABCDE D ABCD C ABC B AB A A
See also
(C++17)
|
accesses the first character (public member function) |
(C++17)
|
checks whether the view is empty (public member function) |
(C++11)
|
accesses the last character (public member function of std::basic_string<CharT,Traits,Allocator> ) |
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