Show HN: O'Doyle Rules – a new rules engine for Clojure (opens in new tab)

(github.com)

100 pointsgw5y ago18 comments

18 comments

I like it so much when a project tells you its limitations in the front page, and compares itself with (and points to) possible alternatives in a useful fashion; it should be standard! But is always awesome! THANK YOU!!

capableweb5y ago

Best video to see how this rules engine work would be to watch the following video: https://www.youtube.com/watch?v=6_mDiH5_hSc

Zach shows how a simple RPG game is implemented with play-cljc and odoyle-rules

stingraycharles5y ago

Thanks for sharing, I’m ashamed to admit that I never really “got” these rule engines, but seeing this example finally made things click for me.

Am I correct that there’s a very large overlap between rule engines and workflow engines, and one could use a rule engine like this to implement workflows?

adamkl5y ago

I have been playing with the idea that a rule engine would work well with a state machine.

State machine manages the workflow, rule engine determines which transitions to execute?

Maybe that is overkill, but I've been trying to build a model in my head on how to model complex business processes.

2 more replies

kyleblarson5y ago

I hope I'm not the only one here old enough to get the reference in the engine's name.

optimuspaul5y ago

I must be too old because I didn't get it.

tmh88j5y ago

It's from the movie Billy Madison. There was a family of bullies with the last name of O'Doyle, and everytime they picked on someone afterwards they would say "O'Doyle Rules". They eventually had an incident with a banana peel, but you'll have to watch the movie for that one ;)

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athaht5y ago

https://m.youtube.com/watch?v=XVO3NJCPIoY

neovive5y ago

You're not alone :) Now off I go to check if Billy Madison is on Netflix.

grimgrin5y ago

prob the biggest reason i don't like these type of comments is that the replies will really never be interesting. there is no way for them to be, by nature of the parent not being interesting

and i'm not even shaming you, but finally creating words for my thought when i'm irritated heh

edit: by nature of the parent comment, you are able to unfold the origin of the name (and there was no reference elsewhere). ok, fine then :P

stallmanite5y ago

You are not I assure you.

leovander5y ago

He does have drawing of O'Doyle at the top of the readme.

tyre5y ago

not at all. I'm a 90s child and found this hilarious

strontian5y ago

This author is really talented and creates a lot of interesting projects. I spent some time reviewing nightcoders.net and the code quality is really impressive.

christophilus5y ago

That link is broken. I think you meant this: https://github.com/oakes/Nightcoders

And that is now a read only project. So, I guess it’s defunct.

mischov5y ago

The author also has a Nim version, https://github.com/paranim/pararules

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