::cbegin - cppreference.com (original) (raw)

| 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.

[edit] Parameters

(none)

[edit] Return value

const_iterator to the first character.

[edit] Complexity

Constant.

[edit] Example

#include #include int main() { constexpr std::string_view str_view("abcd"); constexpr auto begin = str_view.begin(); constexpr auto cbegin = str_view.cbegin(); static_assert( *begin == 'a' and *cbegin == 'a' and *begin == *cbegin and begin == cbegin and std::same_as<decltype(begin), decltype(cbegin)>); }

[edit] See also

| | returns an iterator to the end (public member function) [edit] | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | | returns an iterator to the beginning (public member function of std::basic_string<CharT,Traits,Allocator>) [edit] |