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Add checks for Unfoldable #17

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garyb opened this issue Jun 9, 2016 · 3 comments
Open

Add checks for Unfoldable #17

garyb opened this issue Jun 9, 2016 · 3 comments
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type: enhancement A new feature or addition.

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@garyb
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garyb commented Jun 9, 2016

No description provided.

@garyb garyb added the type: enhancement A new feature or addition. label Jun 9, 2016
@jacereda
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jacereda commented Sep 3, 2017

What's the law for this one?

@garyb
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garyb commented Sep 3, 2017

I'm not sure why I opened this actually, I think like Foldable it's probably lawless.

@jacereda
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jacereda commented Sep 3, 2017

Closest thing I've found:

http://citeseer.ist.psu.edu/viewdoc/summary?doi=10.1.1.42.1735

It states that h = unfold p f g is equivalent to h x = if p x then [] else f x : h (g x), but I'm not sure that adds anything to the table.

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