Why doesn't this piece of code work?

[SvGaming]

On Monday, 16 May 2022 at 16:40:59 UTC, SvGaming wrote:
> On Sunday, 15 May 2022 at 20:06:20 UTC, kdevel wrote:
>> On Sunday, 15 May 2022 at 15:27:32 UTC, SvGaming wrote:
>> [...]
>>> [...]
>>
>> Until you post your full programm ideally in a reduced form 
>> [1] everybody who is willing to help must guess wildly what 
>> the unposted parts of your program does and how it may cause 
>> the read to be seemingly skipped.
>>
>> [...]
>
> I use dmd but I tried befor with another compiler and got the 
> same result. Not sure if it was GDC or LDC.
Here is the repository on GitHub i just made for the code(i know 
it is quite messy, I am a begginer in D):