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:kind can't work for List* and List (maybe more type-level expression) #1171

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NoahStoryM opened this issue Dec 2, 2021 · 2 comments · May be fixed by #1179
Open

:kind can't work for List* and List (maybe more type-level expression) #1171

NoahStoryM opened this issue Dec 2, 2021 · 2 comments · May be fixed by #1179

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@NoahStoryM
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What version of Racket are you using?

v8.3.0.8 [cs]

What program did you run?

> (:kind List*)
string:1:7: Type Checker: parse error in type;
 type name `List*' is unbound
  in: List*
 [,bt for context]
> (:kind List)
string:1:7: Type Checker: parse error in type;
 type name `List' is unbound
  in: List
 [,bt for context]
@NoahStoryM
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I'm not sure if this is normal for All:

> (:kind All)
string:1:7: Type Checker: parse error in type;
 type name `All' is unbound
  in: All
 [,bt for context]

@capfredf
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capfredf commented Dec 2, 2021 •
edited

Thanks for the report. (:kind List) and (:kind List*) need special treatments. I forgot about it and I will fix it later this week.

All, on the other hand, is neither a type nor a type constructor. It is a syntax keyword for writing parametric types.

@capfredf capfredf linked a pull request Dec 19, 2021 that will close this issue
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support List*, List ... in :kind capfredf/typed-racket
2 participants
@capfredf @NoahStoryM