C++ try catch

try {
   //do something
} catch (const std::exception& e) {
     std::cout << e.what(); // information from error printed
}

Throw exception c++

#include <stdexcept>
#include <limits>
#include <iostream>

using namespace std;

void MyFunc(int c)
{
    if (c > numeric_limits< char> ::max())
        throw invalid_argument("MyFunc argument too large.");
    //...
}

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