On Wednesday, November 23, 2016 at 11:11:24 PM UTC+8, Axel Wagner wrote:
>
> So, even though two functions do completely different things, you still
> want to have them equal? And even though two other functions do completely
> the same thing, they should be different?
>
If two functions do completely different things, they mus be two different
functions.
Two different functions can also do the same thing, but they should be not
equal.
>
> Can you give a good justification of that behavior? And do you really
> think it won't confuse people like hell?
>
> One of the main reasons given for not making functions comparable, is that
> there is no good, intuitive notion of what "equality" means in the face of
> inlining and closures, so *no matter what behavior you choose*, people will
> be confused.
>
> On Wed, Nov 23, 2016 at 4:01 PM, T L <tapi...@gmail.com <javascript:>>
> wrote:
>
>>
>>
>> On Wednesday, November 23, 2016 at 10:39:01 PM UTC+8, Volker Dobler wrote:
>>>
>>> Am Mittwoch, 23. November 2016 15:30:39 UTC+1 schrieb T L:
>>>>
>>>>
>>>>
>>>> On Wednesday, November 23, 2016 at 9:53:57 PM UTC+8, Volker Dobler
>>>> wrote:
>>>>>
>>>>> Just one argument out of many: Closures.
>>>>> x := 3
>>>>> f1 := func() int {
>>>>> return x
>>>>> }
>>>>> f2 := func() int { return 3 }
>>>>> // Is f1 == f2 ?
>>>>>
>>>>> x = 4
>>>>> // What now? Still f1 == f2? Or never equal?
>>>>>
>>>>>
>>>> Any bad to think then never equal?
>>>>
>>>
>>> That's basically is it: If functions are never equal so it is
>>> not sensible make them comparable.
>>>
>>> V.
>>>
>>
>> functions from the same declaration are equal.
>> and function variables at the same address are equal.
>>
>>
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>
>
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