I agree with Matt, using panic is fine when you are debugging. I do not 
usually do panic in production code unless it is because of the loss of 
some asset required to start.

GO has robust error handling. You should write the function to return an 
error.

If you deploy your program to a client site, you can have your error 
handler send you an email that the user is trying to divide by zero, or you 
can have it send a post to your server so you will have a log of all the 
users trying to divide byzero, or just have it record the error to a log 
file that you can examine onsite later.



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