Function compute_answer_throws

example/exception_to_result.cpp:21–30

Lower-level library function which throws exceptions.

// Lower-level library function which throws exceptions.
int compute_answer_throws()
{
    switch( rand()%4 )
    {
        default: return 42;
        case 1: throw error_a();
        case 2: throw error_b();
        case 3: throw error_c();
    }
}


// Call compute_answer_throws, switch to result<int> for error handling.