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Centril
reviewed
Nov 12, 2018
| The problem of generalizing `Metadata` is that it will plague every API it touches, e.g. | ||
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| ```rust | ||
| fn metadata<T: ?Sized, P: PointerFamily>(dst: P |
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trait T<U: Align<2>> {
type V: PartialEq<U> + Align<2>,
};)
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🤔 having Align<2> could imply a type can simultaneously implement Align<1> + Align<2> + Align<4> + ...
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Oooooops!
trait T<U: Align<Val = 2>> {
type V: PartialEq<U> + Align<Val = 2>,
}We already have associated consts so we can probably do it today.
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
Co-Authored-By: kennytm <kennytm@gmail.com>
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Rendered
(This is a completed and trimmed down version of https://github.com/kennytm/rfcs/tree/dyn-type/text/0000-dyn-type excluding stuff already handled by rust-lang#2580 and rust-lang#2310, and removing all placement-new stuff.)