std::bad_array_new_length

Since C++11

Header: <new>

std::bad_array_new_length is the type of the object thrown as exceptions by the new-expressions to report invalid array lengths if

# Declarations

class bad_array_new_length;

(since C++11)

# Parameters

other: another exception object to copy

# Return value

*this

# Notes

Implementations are allowed but not required to override what().

# Example

#include <climits>
#include <iostream>
#include <new>
 
int main()
{
    try
    {
        int negative = -1;
        new int[negative];
    }
    catch (const std::bad_array_new_length& e)
    {
        std::cout << "1) " << e.what() << ": negative size\n";
    }
 
    try
    {
        int small = 1;
        new int[small]{1,2,3};
    }
    catch (const std::bad_array_new_length& e)
    {
        std::cout << "2) " << e.what() << ": too many initializers\n";
    }
 
    try
    {
        long large = LONG_MAX;
        new int[large][1000];
    } 
    catch (const std::bad_array_new_length& e)
    {
        std::cout << "3) " << e.what() << ": too large\n";
    }
 
    std::cout << "End\n";
}