Return a reference to the last character of this string.

Synopsis

Declared in <bslstl_string.h>

CHAR_TYPE const&
back() const;

Description

Return a reference providing non‐modifiable access to the character at the last position in this string. The behavior is undefined if this string is empty. Note that the last position is length() ‐ 1.

Return Value

reference to the last character of this string

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