+1
On Monday, February 19, 2018 at 12:37:14 PM UTC-5, Michael Jones wrote:
>
> Matthew Juran wrote: *"...but if you use maps, slices, append, make, you
> are already using generics."*
>
> This seems deeply insightful to me. Perhaps a better question than the
> self-defeatingly open question of "how should Go embrace generics?" would
> be "what change would allow maps, slices, append, and make to be
> implemented as user code in Go 2?"
>
> On Mon, Feb 19, 2018 at 8:53 AM, <matthe...@gmail.com <javascript:>>
> wrote:
>
>> I would probably never use it, like many people who comes to Go from C.
>>
>>
>> But if you use maps, slices, append, make, you are already using generics.
>>
>> Maybe this is unfounded, but I'm far from convinced that generics would
>>> make my experience of Go better. I'm really thinking here of, are we really
>>> sure they would make large unfamiliar codebases more comprehensible? Every
>>> feature of a language can be abused, so are they worth the abuse that they
>>> would allow?
>>
>>
>> Sometimes having another built-in function would be helpful, and generics
>> would provide a way to write those without changing the compiler. What I’ve
>> seen is that built-in functions and new types expanding on the map/slice
>> pattern will not make it into Go 2 without a major reason.
>>
>> The other call for generics is interface{}. The Go 1 uses of interface{}
>> can make strange code that maybe would be more comprehensible another way.
>>
>> Matt
>>
>> On Monday, February 19, 2018 at 9:50:53 AM UTC-6, Henrik Johansson wrote:
>>>
>>> I disagree that generics would decrease readability at the call site.
>>> Perhaps within the library where it is used but maybe not even there. The
>>> only complexity is within the compiler and other internals. This is not
>>> irrelevant by far but the carte blanche "generics is bad" is most often
>>> hyperbole.
>>>
>>> I can also "do without" generics and in fact even though Go lacks it I
>>> prefer Go to all other languages that I know. I still would appreciate a
>>> generics version in Go's spirit.
>>>
>>> On Mon, Feb 19, 2018, 16:06 Ignazio Di Napoli <necl...@gmail.com> wrote:
>>>
>>>>
>>>> On Monday, February 19, 2018 at 4:04:12 PM UTC+1, Ignazio Di Napoli
>>>> wrote:
>>>>>
>>>>> data2 := found.(float32) // THIS PANICS AT RUNTIME, data2 is int
>>>>>
>>>>
>>>> Sorry, found is int.
>>>>
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>
>
>
> --
> Michael T. Jones
> michae...@gmail.com <javascript:>
>
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