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Auto traits in dyn are suggestable

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This commit is contained in:
Michael Goulet 2022-12-12 19:23:20 +00:00
parent ba64ba8b0d
commit cfa6a93a36
3 changed files with 29 additions and 13 deletions
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15
compiler/rustc_middle/src/ty/diagnostics.rs
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@ -3,8 +3,8 @@
use std::ops::ControlFlow;
use crate::ty::{
visit::TypeVisitable, AliasTy, Const, ConstKind, DefIdTree, ExistentialPredicate, InferConst,
InferTy, Opaque, PolyTraitPredicate, Ty, TyCtxt, TypeSuperVisitable, TypeVisitor,
visit::TypeVisitable, AliasTy, Const, ConstKind, DefIdTree, InferConst, InferTy, Opaque,
PolyTraitPredicate, Ty, TyCtxt, TypeSuperVisitable, TypeVisitor,
};
use rustc_data_structures::fx::FxHashMap;
@ -469,17 +469,6 @@ impl<'tcx> TypeVisitor<'tcx> for IsSuggestableVisitor<'tcx> {
}
}
Dynamic(dty, _, _) => {
for pred in *dty {
match pred.skip_binder() {
ExistentialPredicate::Trait(_) | ExistentialPredicate::Projection(_) => {
// Okay
}
_ => return ControlFlow::Break(()),
}
}
}
Param(param) => {
// FIXME: It would be nice to make this not use string manipulation,
// but it's pretty hard to do this, since `ty::ParamTy` is missing