Use elaboration to turn ~const bounds into non-const bounds #116872
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| // HACK(eddyb) should get the original `Span`. | ||
| let span = tcx.def_span(def_id); | ||
| ty::GenericPredicates { | ||
| parent: None, | ||
| predicates: tcx.arena.alloc_from_iter( | ||
| self.param_env.caller_bounds().iter().filter_map(|predicate| { | ||
| match predicate.kind().skip_binder() { | ||
| ty::ClauseKind::Trait(data) if data.self_ty().is_param(index) => { | ||
| // HACK(eddyb) should get the original `Span`. | ||
| let span = tcx.def_span(def_id); |
😅 this is the same thing I had in my own attempt at effect generics last year. I'll compare the impls to see if I found some other subtle issues due to the higher test coverage compared to the current effects impl |
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☔ The latest upstream changes (presumably #116885) made this pull request unmergeable. Please resolve the merge conflicts. |
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This is superseded (in the other direction) by #119721. |
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Feels slightly less ad-hoc, and is an attempt at this comment: #116756 (comment)
The only thing that I don't like is the filtering in
one_bound_for_assoc_type-- I wonder if I should filter somewhere else?r? @fee1-dead or @oli-obk