Which D features to emphasize for academic review article

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Walter Bright wrote:
> Sadly, D has to map onto imperfect hardware :-(
>
> We do have NaN values for chars (0xFF) and pointers (the 
> villified 'null'). Think how many bugs the latter has exposed, 
> and then think of all the floating point code with no such 
> obvious indicator of bad initialization.

Yes, if 'int' had a NaN state it would be great. (Though I 
remember hearing about a hardware that did support it.. 
somewhere).