C++ String Library - length

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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 <iostream> #include <string> 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.