What is the best way to stop App after exception?

[Suliman via Digitalmars-d-learn]

On Monday, 15 February 2016 at 15:17:01 UTC, tcak wrote:
> On Monday, 15 February 2016 at 11:38:05 UTC, Suliman wrote:
>> I have got class Config with method parseconfig. I need 
>> terminate App if parsing of config was failed. The problem 
>> that I do not know how to do it better.
>>
>> void parseconfig()
>> {
>>  try
>>  {
>>   //something go wrong
>>  }
>>
>> catch(Exception e)
>>  {
>>   writeln(e.msg);
>>   // throw any exception here
>>  }
>> }
>>
>>
>> But my main.d also have try catch block and parseconfig() 
>> calls inside it. The problem that wen exception rise I do not 
>> know how to terminate app. Exception simply print on screen 
>> and app is continue.
>>
>> void main()
>>  {
>>  try
>>   {
>>    parseconfig(); // exception was already handled inside:  
>> void parseconfig()
>>   }
>>  }
>>
>> What is the best practice to stop app?
>
> Since C's "exit" function is not liked, best thing you can do 
> is to throw an Error when you want to close the program. You 
> are not supposed to catch Errors. So, it eventually will stop 
> the currently running thread.

but if I throw exception it's handled in instance of class Config 
and it's not go to main...

And what the reason to not add support of C's "exit"?