Blog post: What D got wrong

[Guillaume Piolat]

On Thursday, 13 December 2018 at 09:40:45 UTC, RazvanN wrote:
> "I think there’s a general consensus that @safe, pure and 
> immutable should be default."
>
> It's not at all a general consensus and doing this would 
> literally break all the existing D code. Without discussing all 
> the technical aspects, this will severely impact the adoption 
> rate of D because it will make it very complicated for people 
> coming from a C/C++/Java background to accommodate with the 
> language. In addition, this is completely against D's liberal 
> philosophy where you can program however you want.

+1

The point of them not being default is that you can ignore them 
if you want, and create added-value instead of proving properties 
in your programs.

So a D program can start its life being crap and get better _if_ 
it creates any value.