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Implementation of trait not general enough since I can't specify small enough lifetime

score 71 · Answer 1 · 2024-01-17T17:29:17.013000

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Implementation of trait not general enough since I can't specify small enough lifetime

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score 67 · Answer 12 · 2021-05-26T10:29:40.273000

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How do I return an associated type from a higher-ranked trait bound trait?

1.6k views Asked by Colonel Thirty Two At 28 February 2020 at 21:40

TechQA.

List Question

Implementation of trait not general enough since I can't specify small enough lifetime

forall type scala3 (kind bound errors)

Type system troubles: RankNTypes + Typeclasses

Why does using sum() here require a higher-ranked trait bound?

Using HRTBs to automate getter method unit tests

Bound for reference of associated type

Is it possible to infer a type that is a reflection-like closure?

Rust: additional trait bounds in conjunction with higher-ranked lifetime bounds

Flipping with rank-N types

How to construct values of a higher-rank Coyoneda type in CPS?

Coyoneda hasn't a higher-rank type but what type has it actually?

How to use Higher Rank Trait Bounds with anonymous closure in return type

How to reproduce GHC's type error for a rigid type variable escaping its scope?

How does instantiation of higher-rank types and subsumption interact during unification?

How is the scope of a nested universal quantifier determined (higher-rank types)?

How to infer the type of the Scott encoded List constructor?

Is there any way to map over a collection of values of a type parameterized with a higher type?

Higher ranked trait bounds and function parameters

Haskell Rank1Types and parentheses -- strange behaviour

How do I return an associated type from a higher-ranked trait bound trait?

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