fn assemble_candidates_from_param_env<'cx, 'tcx>(
selcx: &mut SelectionContext<'cx, 'tcx>,
obligation: &ProjectionTermObligation<'tcx>,
candidate_set: &mut ProjectionCandidateSet<'tcx>,
)
Expand description
The first thing we have to do is scan through the parameter environment to see whether there are any projection predicates there that can answer this question.