Using shared memory and thread

[bioinfornatics]

On Tuesday, 5 November 2019 at 00:04:05 UTC, bioinfornatics wrote:
> On Monday, 4 November 2019 at 22:19:29 UTC, bioinfornatics 
> wrote:
>> On Monday, 4 November 2019 at 21:53:45 UTC, bioinfornatics 
>> wrote:
>>> On Monday, 4 November 2019 at 19:53:29 UTC, bioinfornatics 
>>> wrote:
>>>> [...]
>>>
>>> One image reveals more than a thousand words, see my picture 
>>> :-)
>>>    -> http://pix.toile-libre.org/?img=1572906675.png
>>
>> oups got a problem with the alpha layer:
>>    -> http://pix.toile-libre.org/?img=1572908302.png
>
> here my (not working) snippet code:
>    -> https://run.dlang.io/gist/75429dcb8612e00635f7d53aabc4776f
>
> the example do not meet exactly the spec and he do not compile.

arf the generated link raise a 404, here a gist 
https://gist.github.com/run-dlang/4ffcc0641acef5eedf52a17c4995599b