Function rustc_trait_selection::traits::project::confirm_candidate

pub(in traits::project) fn confirm_candidate<'cx, 'tcx>(
    selcx: &mut SelectionContext<'cx, 'tcx>, 
    obligation: &Obligation<'tcx, ProjectionTy<'tcx>>, 
    candidate: ProjectionTyCandidate<'tcx>
) -> Progress<'tcx>