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std::basic_string::max_size in C++
  • Difficulty Level : Medium
  • Last Updated : 12 Jun, 2019

std::basic_string::max_size is used to compute the maximum number of elements the string is able to hold due to system or library implementation limitations.

size_type max_size() const;
Parameters : None
Return value : Maximum number of characters
Exceptions : None

// CPP program to compute the limit of a string
// using max_size
#include <iostream>
#include <string>
int main()
    std::string str;
    // Calling max_size()
    std::cout << "Maximum size of a string is " << str.max_size() << std :: endl;


Maximum size of a string is 4294967294

Note : The maximum size can depend on the compiler and system.

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