NaNs Just Don't Get No Respect

[Walter Bright]

On 8/18/2012 8:31 PM, Adam D. Ruppe wrote:
> enum BOOL {
>     TRUE,
>     FALSE,
>     FILE_NOT_FOUND
> }

I used to work with digital electronics. There, "boolean" logic actually had 4 
states:

     True
     False
     Don't Know
     Don't Care