null and type safety

[Lionello Lunesu]

"Robert Fraser" <fraserofthenight at gmail.com> wrote in message 
news:geregs$sj1$1 at digitalmars.com...
> FWIW, I've _never_ run into a bug const could have prevented. OTOH, I've 
> often run into bugs that non-nullable types could have prevented 
> (including one on a production system... well, there was another bug that 
> raised an exception causing something else to be uninitialized and the 
> system came crashing down).

Hear hear!

Nullness should have nothing to do with a type having reference or value 
semantics. These two concepts are orthogonal.

L.