'idiomatic' porting of c and or c++ code that does NULL checking

[ketmar via Digitalmars-d-learn]

On Sat, 23 Aug 2014 10:53:03 +0000
bearophile via Digitalmars-d-learn <digitalmars-d-learn at puremagic.com>
wrote:

> I use "is" and "!is" for class references and == != for pointers. 
> But now I think you are right, and in D it's better to always use 
> is and !is for both, to avoid present and future bugs (like when 
> a pointer gets replaced by a class reference by successive 
> changes in the code).
and "foo is null" is nice to read. ;-)
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