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std::basic_..._view::front(3) C++ Standard Libarystd::basic_..._view::front(3) NAME std::basic_string_view::front - std::basic_string_view::front Synopsis 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. Example // Run this code #include <string_view> #include <iostream> int main() { for (std::string_view str{"ABCDEF"}; !str.empty(); str.remove_pre- fix(1)) std::cout << str.front() << ' ' << str << '\n'; } Output: A ABCDEF B BCDEF C CDEF D DEF E EF F F See also back accesses the last character (C++17) (public member function) empty checks whether the view is empty (C++17) (public member function) front accesses the first character (C++11) (public member function of std::ba- sic_string<CharT,Traits,Allocator>) http://cppreference.com 2022.07.31 std::basic_..._view::front(3)
NAME | Synopsis | Parameters | Return value | Complexity | Example | Output: | See also
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