constexpr const_reference at(size_type pos) const; | (since C++17) |
Returns a reference to the character at specified location pos. Bounds checking is performed, exception of type std::out_of_range will be thrown on invalid access.
| pos | - | position of the character to return |
Reference to the requested character.
Throws std::out_of_range if pos >= size().
Constant.
| access specified character (public member function) |
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