std::basic_string_view<CharT,Traits>::front
constexpr const_reference front() const; | (since C++17) |
Returns reference to the first character in the view. The behavior is undefined if empty() == true.
Parameters
(none).
Return value
reference to the first character, equivalent to operator[](0).
Complexity
Constant.
See also
| accesses the last character (public member function) |
|
| checks whether the view is empty (public member function) |
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