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std::basic_string_view::begin, std::basic_string_view::cbegin

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.

range-begin-end.svg

Parameters

(none).

Return value

const_iterator to the first character.

Complexity

Constant.

Example

#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)

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