Null references and access violation

[pineapple via Digitalmars-d]

On Wednesday, 14 September 2016 at 18:36:46 UTC, Jonathan M Davis 
wrote:
> If you don't want to have problems with dereferencing null 
> pointers or references, then check for null in the cases where 
> a pointer or reference might be null.
>
> - Jonathan M Davis

Writing your functions that disallow null inputs like `fn(int* 
arg) in{assert(arg !is null);} body{ ... }` is readable, concise, 
and in my opinion a generally elegant solution to the problem.