Be explicit about using Binder::dummy #89001
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nikomatsakis
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Manishearth
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…akis Be explicit about using Binder::dummy This is somewhat of a late followup to the binder refactor PR. It removes `ToPredicate` and `ToPolyTraitImpls` that hide the use of `Binder::dummy`. While this does make code a bit more verbose, it allows us be more careful about where we create binders. Another alternative here might be to add a new trait `ToBinder` or something with a `dummy()` fn. Which could still allow grepping but allows doing something like `trait_ref.dummy()` (but I also wonder if longer-term, it would be better to be even more explicit with a `bind_with_vars(ty::List::empty())` *but* that's not clear yet. r? `@nikomatsakis`
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Sep 25, 2021
…ingjubilee Rollup of 8 pull requests Successful merges: - rust-lang#88893 (Add 1.56.0 release notes) - rust-lang#89001 (Be explicit about using Binder::dummy) - rust-lang#89072 (Avoid a couple of Symbol::as_str calls in cg_llvm ) - rust-lang#89104 (Simplify scoped_thread) - rust-lang#89208 ([rfc 2229] Drop fully captured upvars in the same order as the regular drop code) - rust-lang#89210 (Add missing time complexities to linked_list.rs) - rust-lang#89217 (Enable "generate-link-to-definition" option on rust tools docs as well) - rust-lang#89221 (Give better error for `macro_rules! name!`) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
flip1995
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…akis Be explicit about using Binder::dummy This is somewhat of a late followup to the binder refactor PR. It removes `ToPredicate` and `ToPolyTraitImpls` that hide the use of `Binder::dummy`. While this does make code a bit more verbose, it allows us be more careful about where we create binders. Another alternative here might be to add a new trait `ToBinder` or something with a `dummy()` fn. Which could still allow grepping but allows doing something like `trait_ref.dummy()` (but I also wonder if longer-term, it would be better to be even more explicit with a `bind_with_vars(ty::List::empty())` *but* that's not clear yet. r? ``@nikomatsakis``
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This is somewhat of a late followup to the binder refactor PR. It removes
ToPredicateandToPolyTraitImplsthat hide the use ofBinder::dummy. While this does make code a bit more verbose, it allows us be more careful about where we create binders.Another alternative here might be to add a new trait
ToBinderor something with adummy()fn. Which could still allow grepping but allows doing something liketrait_ref.dummy()(but I also wonder if longer-term, it would be better to be even more explicit with abind_with_vars(ty::List::empty())but that's not clear yet.r? @nikomatsakis