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GAT-based Device trait. #572

Merged
merged 3 commits into from
Nov 6, 2022
Merged

GAT-based Device trait. #572

merged 3 commits into from
Nov 6, 2022

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Dirbaio
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@Dirbaio Dirbaio commented Nov 24, 2021

The current 'a lifetime in the Device trait is essentially a workaround for lack of GATs.
I'm just experimenting how this would look like, it'll have to wait until GATs are stable to go in.

The main benefit is structs implementing Device can now borrow stuff. This wasn't possible
before because the for<'d> T: Device<'d> bounds would essentially imply T: 'static.

@Dirbaio Dirbaio force-pushed the gat-device branch 2 times, most recently from cf45e77 to 44a532d Compare November 24, 2021 18:50
@Dirbaio Dirbaio force-pushed the gat-device branch 3 times, most recently from 828a703 to ecccf5b Compare September 21, 2022 22:10
@gopakumarce
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@Dirbaio looks like GAT is gonna be in 1.65 (rust-lang/rust#96709) - hopefully this gets merged then !

The current `'a` lifetime in the `Device` trait is essentially a workaround for lack of GATs.
I'm just experimenting how this would look like, it'll have to wait until GATs are stable to go in.

The main benefit is structs implementing `Device` can now borrow stuff. This wasn't possible
before because the `for<'d> T: Device<'d>` bounds would essentially imply `T: 'static`.
@Dirbaio Dirbaio marked this pull request as ready for review November 6, 2022 20:20
@Dirbaio
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Dirbaio commented Nov 6, 2022

bors r+

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bors bot commented Nov 6, 2022

Build succeeded:

@bors bors bot merged commit f403862 into master Nov 6, 2022
@bors bors bot deleted the gat-device branch November 6, 2022 20:55
@gopakumarce
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@Dirbaio awesome to see this merged, thanks! I hope you will also cut out a new smoltcp release in crates.io that has this changeset

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2 participants