std::basic_string_view::back - cppreference.com

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# std::basic_string_view::back

From cppreference.com
< cpp‎ | string‎ | basic string view

constexpr const_reference back() const; |  | (since C++17)

Returns reference to the last character in the view. The behavior is undefined if empty() == true.

### [edit] Parameters

(none)

### [edit] Return value

Reference to the last character, equivalent to operator[](size() - 1).

### [edit] Complexity

Constant.

### [edit] See also

front | accesses the first character (public member function) [edit]
empty | checks whether the view is empty (public member function) [edit]

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