inspect: strongly typed CandidateKind
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@@ -4,14 +4,14 @@ use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt};
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use rustc_infer::traits::{
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Obligation, PolyTraitObligation, PredicateObligation, Selection, SelectionResult, TraitEngine,
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};
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use rustc_middle::traits::solve::{CanonicalInput, Certainty, Goal};
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use rustc_middle::traits::solve::{CandidateSource, CanonicalInput, Certainty, Goal};
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use rustc_middle::traits::{
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BuiltinImplSource, ImplSource, ImplSourceUserDefinedData, ObligationCause, SelectionError,
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};
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use rustc_middle::ty::{self, Ty, TyCtxt};
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use rustc_span::DUMMY_SP;
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use crate::solve::assembly::{Candidate, CandidateSource};
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use crate::solve::assembly::Candidate;
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use crate::solve::eval_ctxt::{EvalCtxt, GenerateProofTree};
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use crate::solve::inspect::ProofTreeBuilder;
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use crate::traits::StructurallyNormalizeExt;
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