std::basic_string::max_size

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< cpp‎ | string‎ | basic string
 
 
 
std::basic_string
 
size_type max_size() const;

Returns the maximum number of elements the string is able to hold due to system or library implementation limitations, i.e. ​std::distance(begin(), end())​ for the largest string.

Contents

[edit] Parameters

(none)

[edit] Return value

Maximum number of characters

[edit] Exceptions

(none) (until C++11)
noexcept specification:  
noexcept
  
(since C++11)

[edit] Complexity

Constant.

[edit] Example

#include <iostream>
#include <string>
 
int main()
{
    std::string s;
    std::cout << "Maximum size of a string is " << s.max_size() << "\n";
}

Possible output:

Maximum size of a string is 4294967294

[edit] See also

returns the number of characters
(public member function)