C++ traps that D2 doesn't avoid yet?

Derek Parnell derek at psych.ward
Fri Nov 7 06:26:02 PST 2008


On Thu, 6 Nov 2008 17:14:13 -0500, Jarrett Billingsley wrote:

> On Thu, Nov 6, 2008 at 5:07 PM, Walter Bright
> <newshound1 at digitalmars.com> wrote:
>> BCS wrote:
>>>
>>> Reply to Walter,
>>>
>>>> Steven Schveighoffer wrote:
>>>>
>>>>> Even experienced developers fall into some of these traps.  I know I
>>>>> occasionally fell into this trap:
>>>>>
>>>>> if(x);
>>>>> x->doSomething();
>>>>> But no more with D, because it's not allowed.  Those kinds of things
>>>>> can be easily prevented, and are common mistakes by all programmers.
>>>>>
>>>> Here's another fun one:
>>>>
>>>> printf("%d\n", 8l);
>>>>
>>>> What does that print?
>>>>
>>>
>>> 8
>>
>> If I hadn't said it was a trap, I bet you'd have said "81".
> 
> I wouldn't've, because I use a font that actually distinguishes things
> 1, I, l, and | properly.  <_<

Same here. I thought the 'trap' was using %d with a *long* value.

-- 
Derek Parnell
Melbourne, Australia
skype: derek.j.parnell



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