Postfix type notation - readability and parsing?

[arakan arkino]

On Thursday, 7 March 2019 at 19:43:31 UTC, aliak wrote:
> On Wednesday, 6 March 2019 at 08:09:48 UTC, Simen Kjærås wrote:
>> On Wednesday, 6 March 2019 at 07:53:42 UTC, Simen Kjærås wrote:
>>> alias port = Option!(immutable ushort, "p|port", "Sets the 
>>> port used for serving.", "PORT", 8888);
>>
>> Of course, one issue is the lack of __GENSYM__, meaning that 
>> this will only declare one variable, with two aliases:
>>
>> alias a = Option!(int, "", "", "", 0);
>> alias b = Option!(int, "", "", "", 0);
>>
>> unittest {
>>     assert(&a == &b);
>> }
>>
>> --
>>   Simen
>
> Thanks for that code above!
>
> And hmm.. __GENSYM__ ... is this documented anywhere? (I found 
> a post by you on the forum about it but nothing in the docs)

Sorry guys, I did see the question about Kotlin when googling, 
but I re-asked it for not to get answers like "Because Kotlin 
(Go, Rust, ...) dev team decided like this". I was interested in 
a more common answer: why does it become kind of an epidemic?