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How should we type lift? #442

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robounohito opened this issue Aug 29, 2019 · 0 comments
Open

How should we type lift? #442

robounohito opened this issue Aug 29, 2019 · 0 comments

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@robounohito
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robounohito commented Aug 29, 2019 •
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Hi guys,

Can someone explain how lift typings suppose to work?

Even basic case not working:

const test = lift(add)(inc, dec)(2);

lift correctly infers arity 2 (<number, number, number>), but then it fails to typecheck with:

Argument of type 'inc_0' is not assignable to parameter of type 'List<number>'

For whatever reason it expects inc and dec to return List<number> instead of number.
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@robounohito