D's hidden function calls getting crazier.

[Hors]

On Friday, 27 October 2023 at 12:40:39 UTC, duckchess wrote:
> On Friday, 27 October 2023 at 12:38:10 UTC, Hors wrote:
>> It's impossible to tell if reading or writing an object's 
>> variable would call a function because of UFCS or @property. 
>> it just hurts because you can't know if it's a function call 
>> without looking at implementation.
>>
>> The most basic example is
>> ```
>> obj.val = 1; // actually calls obj.setVal(1)
>> assert(obj.val == 1); // actually calls obj.getVal(), 
>> assertion may fail if getVal or setVal is not implemented 
>> correctly. Which is unexpected
>> ```
>>
>> To fix this hidden function craziness, UFCS needs to require 
>> parantheses, and property function needs to be removed 
>> entirely.
>
> why do you need to know if it is a function call?

Because it kills D's "fast", you may think you just accessing a 
normal variable but in fact you just calling a lot functions, it 
can hurt performance. Also for years, obj.val means a variable 
amd obj.m() means a function. There is no good reason to change 
that