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A comment on Monads and GATs in Nightly Rust. Parent comment

Re:Monads and GATs in Nightly Rust by matt_kantor on Friday December 11, 2020 @02:37PM (#25389845)
> Traits and fixed array bounds do not play well together. This is considered a bug, and it's been a bug since at least 2017. Generic parameters can only be types, not numbers.

FWIW the remedy for this is being stabilized soon: https://github.com/rust-lang/rust/pull/79135

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