null [re: spec#]

[Nick Sabalausky]

"Walter Bright" <newshound2 at digitalmars.com> wrote in message 
news:ib87ai$26u8$1 at digitalmars.com...
> Nick Sabalausky wrote:
>> Well I'll be damned, even C/C++ knows that uninitialized variables 
>> shouldn't be used, and yet D doesn't. This is where Walter claims that 
>> getting rid of that warning improves safety because it prevents people 
>> from "shutting the compiler up" by changing this:
>>
>> int i = i + 5;
>>
>> Into this code which D happily accepts:
>>
>> int i;
>> i = i + 5;
>
>
> For the code:
>
>   void test()
>   {
>     int i = i + 5;
>   }
>
> D reports:
>
>   test.d(4): Error: undefined identifier i

Yes, which by your "people will toss something in to shut the compiler up" 
reasoning will then cause people to turn that into this "to shut the 
compiler up":

void test()
{
   int i;
   i = i + 5;
}

Which the D compiler will be perfectly happy with even though it's probably 
wrong.