rust-lang/rust-clippy

False positive for boxed local with `wasm_bindgen`

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#4351 aperta il 7 ago 2019

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C-bugI-false-positivegood first issue

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wasm_bindgen is a little bit different than the issue that's been resolved with traits. In particular, wasm_bindgen just generates code around the non-trait implemented function, and the only way to use native JS arrays as parameters is to use Box<[...]>.

In general, I think maybe boxed slices should be considered ok for local parameters, as they're conceptually very similar to vectors.

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