Please rid me of this goto

deadalnix via Digitalmars-d digitalmars-d at puremagic.com
Fri Jun 24 13:34:38 PDT 2016


On Friday, 24 June 2016 at 10:33:43 UTC, Patrick Schluter wrote:
> On Friday, 24 June 2016 at 10:11:11 UTC, deadalnix wrote:
>> On Friday, 24 June 2016 at 08:40:26 UTC, Patrick Schluter 
>> wrote:
>>> On Thursday, 23 June 2016 at 20:01:26 UTC, deadalnix wrote:
>>>> On Thursday, 23 June 2016 at 19:24:54 UTC, via Digitalmars-d 
>>>> wrote:
>>>>> On Thu, Jun 23, 2016 at 07:11:26PM +0000, deadalnix via 
>>>>> Digitalmars-d wrote:
>>>>>> | is bitwize or. || is binary or.
>>>>>> & is bitwize and. && is binary and.
>>>>>> ^ is bitwize xor. ^^ is... no, never mind.
>>>>>
>>>>> binary xor is.... !=
>>>>>
>>>>> lol
>>>>
>>>> 3 != 5 is true.
>>>> 3 binaryxor 5 is false.
>>>
>>> He meant logical xor, because binary xor exists (^) and there 
>>> would be no point to mention an equivalence.
>>
>> Still doesn't work.
>
> It works if you cast each side of the comparison to boolean 
> values (that's what logical and/or do implicitely, for != it 
> has to be done explicitely as the operator has never been seen 
> as logical xor).
> in C (sorry I'm not fluent in D yet).
> (bool)3 != (bool)5    or  old fashioned    !!3 != !!5 or after 
> De Morgan transformation !3 == !5.

So, logical xor isn't != either is it ?



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