Function rustc_trait_selection::traits::project::assemble_candidates_from_predicates

fn assemble_candidates_from_predicates<'cx, 'tcx>(
    selcx: &mut SelectionContext<'cx, 'tcx>, 
    obligation: &Obligation<'tcx, ProjectionTy<'tcx>>, 
    candidate_set: &mut ProjectionTyCandidateSet<'tcx>, 
    ctor: fn(_: PolyProjectionPredicate<'tcx>) -> ProjectionTyCandidate<'tcx>, 
    env_predicates: impl Iterator<Item = Predicate<'tcx>>, 
    potentially_unnormalized_candidates: bool
)