C++ String Library - length

Description

It returns the length of the string, in terms of bytes.

Declaration

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

size_t length() const;

C++11

size_t length() const noexcept;

Parameters

none

Return Value

It returns the length of the string, in terms of bytes.

Exceptions

Never throw any exceptions.

Example

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

#include 
#include 

int main () {
   std::string str ("Sairamkrishna Mammahe");
   std::cout << "The size of str is " << str.length() << " bytes.\n";
   return 0;
}

The sample output should be like this −

The size of str is 21 bytes.