std::basic_string_view<CharT,Traits>::begin, std::basic_string_view<CharT,Traits>::cbegin
< cpp | string | basic string view
constexpr const_iterator begin() const noexcept; |
(since C++17) | |
constexpr const_iterator cbegin() const noexcept; |
(since C++17) | |
Returns an iterator to the first character of the view.
Parameters
(none)
Return value
const_iterator
to the first character
Complexity
Constant
Example
Run this code
#include <iostream> #include <string_view> int main() { std::string_view str_view("abcd"); auto begin = str_view.begin(); auto cbegin = str_view.cbegin(); std::cout << *begin << '\n'; std::cout << *cbegin << '\n'; std::cout << std::boolalpha << (begin == cbegin) << '\n'; std::cout << std::boolalpha << (*begin == *cbegin) << '\n'; }
Output:
a a true true
See also
returns an iterator to the end (public member function) |