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A comment on What is “Open Recursion”?. Parent comment

Re:What is “Open Recursion”? by munificent on Tuesday July 18, 2017 @08:10PM (#14801122)
I could be wrong, but I think your mutualRecursion() function is a multi-parameter version of the Y combinator, which is the classic way of introducing recursion to a language that doesn't natively support it. If so then, yes, that works.
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Re:What is “Open Recursion”? by clusmore on Tuesday July 18, 2017 @08:35PM (#14801221)
> but I think your mutualRecursion() function is a multi-parameter version of the Y combinator

Yes, exactly. I've created a fork [1] where I replace the multiple-parameter Y combinator with a single-parameter kind that operates on what is effectively a vtable.

[1] https://jsfiddle.net/9ump7bt5/1/

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