Function rustc_trait_selection::traits::project::confirm_fn_pointer_candidate

fn confirm_fn_pointer_candidate<'cx, 'tcx>(
    selcx: &mut SelectionContext<'cx, 'tcx>,
    obligation: &Obligation<'tcx, ProjectionTy<'tcx>>,
    fn_pointer_impl_source: ImplSourceFnPointerData<'tcx, PredicateObligation<'tcx>>
) -> Progress<'tcx>