public member function

std::basic_string::cbegin

const_iterator cbegin() const noexcept;

Return const_iterator to beginning

Returns a const_iterator pointing to the first character of the string.

const_iterator is an iterator that points to const content. This iterator can be increased and decreased (unless it is itself also const), just like the iterator returned by basic_string::begin, but it cannot be used to modify the contents it points to, even if the basic_string object is not itself const.

Parameters

none

Return Value

A const_iterator to the beginning of the string.

Member type

const_iterator is a random access iterator type that points to a const character.

Example

// string::cbegin/cend
#include <iostream>
#include <string>

int main ()
{
  std::string str ("Lorem ipsum");
  for (auto it=str.cbegin(); it!=str.cend(); ++it)
    std::cout << *it;
  std::cout << '\n';

  return 0;
}

Output:

Complexity

Unspecified, but generally constant.

Iterator validity

No changes.

Data races

The object is accessed.

Exception safety

No-throw guarantee: this member function never throws exceptions.
The copy construction or assignment of the returned iterator is also guaranteed to never throw.