D - Unsafe and doomed

[Ola Fosheim Grøstad" <ola.fosheim.grostad+dlang at gmail.com>]

On Saturday, 4 January 2014 at 07:42:51 UTC, ilya-stromberg wrote:
> I don't know Timon Gehr's opinion, but it will be very nice to 
> have NOT NULL pointers.

I don't disagree, but isn't that just a special case of type 
constraints? Why limit it arbitrarily to null-values, limiting 
the range of values is useful for ints and floats too. If you 
move the constraint check to the function caller you can avoid 
testing when it isn't needed.