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nyrikki
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This account is a replica from Hacker News. Its author can't see your replies. If you find this service useful, please consider supporting us via our Patreon.
The linked to blog post in the OP explains this better IMHO [0]:
If the data stream encodes values with byte order B, then the algorithm to decode the value on computer with byte order C should be about B, not about the relationship between B and C.
One cannot just ignore the big/little data interchange problem MacOS[1], Java, TCP/IP, Jpeg etc...
The point (for me) is not that your code runs on a s390, it is that you abstract your personal local implementation details from the data interchange formats. And unfortunately almost all of the processors are little, and many of the popular and unavoidable externalization are big...
[0] https://commandcenter.blogspot.com/2012/04/byte-order-fallac...
[1] https://github.com/apple/darwin-xnu/blob/main/EXTERNAL_HEADE...
That’s why I either started with the ports and adapters pattern or quickly refactored into it on spikes.
You don’t have to choose what flavor of DDD/Clean/… you want to drink, just use some method that keeps domains and use cases separate from implementation.
Just with shapes and domain level tests, the first pass on a spec is easier (at least for me) and I also found feedback was better.
I am sure there are other patterns that do the same, but the trick is to let the problem domain drive, not to choose any particular set of rules.
Keeping the core domain as a fixed point does that for me.