C++ String Library - begin

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Description

It returns an iterator pointing to the first character of the string.

Declaration

Following is the declaration for std::string::begin.

 iterator begin(); const_iterator begin() const; 

C++11

 iterator begin() noexcept; const_iterator begin() const noexcept; 

Parameters

none

Return Value

It returns an iterator to the beginning of the string.

Exceptions

Never throw any exceptions.

Example

In below example for std::string::begin.

 #include <iostream> #include <string> int main () { std::string str ("Tutorials point"); for ( std::string::iterator it=str.begin(); it!=str.end(); ++it) std::cout << *it; std::cout << '\n'; return 0; } 

The sample output should be like this −

 Tutorials point