C++ Stdexcept Library - out_of_range

Description

It is an out-of-range exception and this class defines the type of objects thrown as exceptions to report an out-of-range error.

Declaration

Following is the declaration for std::out_of_range.

class out_of_range;

C++11

class out_of_range;

Parameters

none

Return Value

none

Members

constructor − Here the string passed as what_arg has the same content as the value returned by member what.

Example

In below example for std::out_of_range.

#include <iostream>
#include <stdexcept>
#include <vector>

int main (void) {
   std::vector<int> myvector(10);
   try {
      myvector.at(20) = 100;
   } catch (const std::out_of_range& oor) {
      std::cerr << "Out of Range error: " << oor.what() << '\n';
   }
   return 0;
}

The output should be like this −

Out of Range error: vector::_M_range_check