[ ] is nice. Nim also uses [ ] for generics. --Kent
On Wed, Jul 22, 2020 at 4:41 PM Denis Cheremisov <denis.cheremi...@gmail.com>
wrote:
> Lesser and greater signs never were a good choice. They were chosen
> because of C syntax restrictions. Go creators would do *slice[T]* (or may
> be just *[T]*), *map[K,V]*,* chan[T]*, etc if they had generics in mind.
> Because, if you have managed not to notice it, Go barely inherited anything
> from C. Know why? Because C is full of unfortunate decisions. Some people
> love it because this is their first relatively low level language and they
> like the power. Me, who wrote assembler before C, have never been impressed
> with it: its syntax is not particularly pleasant to read and I rather felt
> the lack of power with it. It is not only hard to read, it is just plain
> weird. Consider this:
>
> a * b;
>
> What is this? May be an expression? Or a declaration, pointer a of type b?
>
> So, please stop using languages with syntax inherited from C as a
> benchmark. The C is a result of the lack of planning, a chaotic
> development. And this usage of comparison operators as brackets is an
> unfortunate combination of circumstances.
> Luckily, there was a planning in Go, with some initial limitations which
> causes a bit of pain nowdays, still much better than C and even more so
> than C++. I am really glad they don't consider these <<<<< monstrosities: I
> tried Scala and as much as I dislike the language in general their []
> things for generic parameters left very good impression. I really like they
> borrowed the idea.
>
> четверг, 23 июля 2020 г. в 00:22:26 UTC+3, sah...@naman.ms:
>
>> With angled brackets, do we really need the colon or dot on both sides?
>> Wouldn't it be enough to just have it on the left to eliminate the parse
>> time ambiguities? Like f<:int> or f<.int>?
>>
>> On Wed, 22 Jul 2020, 22:46 Евгений Кошевой, <eugene....@gmail.com> wrote:
>>
>>> Maybe something like this:
>>> using <.Type.>
>>> func f(T<.int.>)
>>> struct{ T<.int.> }
>>> interface{ T<.int.> }
>>> []T<.int.>{}
>>>
>>> среда, 22 июля 2020 г. в 01:12:32 UTC+3, Steven Blenkinsop:
>>>
>>>> On Tue, Jul 21, 2020 at 3:12 PM, Michal Strba <faifa...@gmail.com>
>>>> wrote:
>>>>
>>>>> I'd say a dot is necessary when instantiating a function call but
>>>>> unnecessary when instantiating a type because it's always syntactically
>>>>> clear when a type is required.
>>>>>
>>>>
>>>> That's not true in Go. Conversions look like function calls:
>>>>
>>>> y := f(x)
>>>>
>>>> could be a conversion or a function call, depending on whether f is a
>>>> function or a type. If you need to use type parameters on f, the same
>>>> parsing problems present themselves whether it's a parameterized type or a
>>>> type parametric function.
>>>>
>>>>> --
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